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![Replace Your Cal Spa Circuit Board With Confidence
Your hot tub should work when you need it most. The Cal Spa C4001R1C Circuit Board (ELE09100250) is a new, direct replacement part that gets your spa back up and running fast — no guesswork, no hassle.
[Shop and Order at Western Tub and Pool]
What You're Getting
New, Not Refurbished
The C4001R1C is a brand-new replacement circuit board — not a rebuilt or refurbished unit. You get full functionality and peace of mind from the moment it arrives.
A Trusted OEM Cross-Reference
This board cross-references with ELE09100250 and is engineered to integrate seamlessly with compatible Cal Spas control systems. If your current board is failing, this is the part that brings your spa back to life.
Broad Model Compatibility
This circuit board is used across a wide range of Cal Spas hot tub models. Whether you have a classic unit or a more recent model, chances are this board is the right fit for your system. Not sure? Call us or send us your make, model, and serial number — we'll confirm compatibility before you order.
Ships From Multiple Regions
As an international e-tailer, Western Tub and Pool sources parts from warehouses across the globe to get your order to you as quickly as possible. To help you identify part origin, we use the following suffixes:
U – United States
C – Canada
E – Europe
A – Asia
Please note: some parts may be available from multiple regions. Shipping times and costs will vary based on the warehouse your order is fulfilled from.
Compatible Hot Tub Models
The Cal Spa C4001R1C Circuit Board (ELE09100250) is compatible with many Cal Spas models and control systems. Because compatibility can vary based on your spa's production year and configuration, we strongly recommend confirming your part number or contacting our team before ordering.
To confirm compatibility:
Check the part number on your existing circuit board
Note your spa's make, model, and serial number
Send us a photo of the existing board if the part number is unclear
Call us at 1-855-248-0777 or email fixmytub@gmail.com and we'll identify the right part for you.
Dimensions and Specifications
Specification
Details
Part Number
C4001R1C
Cross-Reference
ELE09100250
Condition
New
Compatible Brand
Cal Spas
Application
Hot Tub / Spa Circuit Board
Dimensions
Contact us to confirm for your specific unit
Weight
Contact us to confirm for your specific unit
Dimensions and weight may vary slightly depending on production batch and region of origin. Contact our team for precise specifications.
Frequently Asked Questions
How do I know if this circuit board is compatible with my hot tub?
The best way to confirm compatibility is to check the part number printed on your existing circuit board, or locate your spa's model and serial number (typically found on a label inside the equipment compartment). You can then call us at 1-855-248-0777 or email fixmytub@gmail.com with that information, and our team will verify the right fit before you order.
Is this a new part or a refurbished one?
This is a brand-new circuit board — not refurbished or rebuilt. You're getting a fresh unit straight from the manufacturer.
What does the suffix on my part number mean?
Western Tub and Pool ships from warehouses in multiple regions. Parts originating from the U.S. carry a U suffix, Canada a C, Europe an E, and Asia an A. Some parts are stocked in more than one region, which can affect shipping times and costs.
What if I'm not sure which part I need?
No problem. Take a clear photo of your existing circuit board (including any visible part numbers), note your spa's make, model, and serial number, and send it all to fixmytub@gmail.com. Our team will do the rest.
Do you ship internationally?
Yes. Western Tub and Pool is an international e-tailer. We ship to customers across North America and beyond. Shipping costs and delivery times will vary based on your location and the regional warehouse fulfilling your order.
Shop and Order at Western Tub and Pool
Ready to get your spa back in action? Our team is here to help you find the right part, confirm compatibility, and get your order on its way.
Call us: 1-855-248-0777
Email us: fixmytub@gmail.com
[Shop and Order at Western Tub and Pool]
Having trouble finding a hard-to-source part? Send us an email at fixmytub@gmail.com with your spa's make, model, serial number, and a photo of the part if possible. We specialize in hard-to-find hot tub and spa replacement parts and will do everything we can to track down what you need.](https://cdn11.bigcommerce.com/s-b7yzllubsu/images/stencil/1280x1280/products/4505/6768/ELE09100250__66128.1786475802.PNG?c=2 "Replace Your Cal Spa Circuit Board With Confidence
Your hot tub should work when you need it most. The Cal Spa C4001R1C Circuit Board (ELE09100250) is a new, direct replacement part that gets your spa back up and running fast — no guesswork, no hassle.
[Shop and Order at Western Tub and Pool]
What You're Getting
New, Not Refurbished
The C4001R1C is a brand-new replacement circuit board — not a rebuilt or refurbished unit. You get full functionality and peace of mind from the moment it arrives.
A Trusted OEM Cross-Reference
This board cross-references with ELE09100250 and is engineered to integrate seamlessly with compatible Cal Spas control systems. If your current board is failing, this is the part that brings your spa back to life.
Broad Model Compatibility
This circuit board is used across a wide range of Cal Spas hot tub models. Whether you have a classic unit or a more recent model, chances are this board is the right fit for your system. Not sure? Call us or send us your make, model, and serial number — we'll confirm compatibility before you order.
Ships From Multiple Regions
As an international e-tailer, Western Tub and Pool sources parts from warehouses across the globe to get your order to you as quickly as possible. To help you identify part origin, we use the following suffixes:
U – United States
C – Canada
E – Europe
A – Asia
Please note: some parts may be available from multiple regions. Shipping times and costs will vary based on the warehouse your order is fulfilled from.
Compatible Hot Tub Models
The Cal Spa C4001R1C Circuit Board (ELE09100250) is compatible with many Cal Spas models and control systems. Because compatibility can vary based on your spa's production year and configuration, we strongly recommend confirming your part number or contacting our team before ordering.
To confirm compatibility:
Check the part number on your existing circuit board
Note your spa's make, model, and serial number
Send us a photo of the existing board if the part number is unclear
Call us at 1-855-248-0777 or email fixmytub@gmail.com and we'll identify the right part for you.
Dimensions and Specifications
Specification
Details
Part Number
C4001R1C
Cross-Reference
ELE09100250
Condition
New
Compatible Brand
Cal Spas
Application
Hot Tub / Spa Circuit Board
Dimensions
Contact us to confirm for your specific unit
Weight
Contact us to confirm for your specific unit
Dimensions and weight may vary slightly depending on production batch and region of origin. Contact our team for precise specifications.
Frequently Asked Questions
How do I know if this circuit board is compatible with my hot tub?
The best way to confirm compatibility is to check the part number printed on your existing circuit board, or locate your spa's model and serial number (typically found on a label inside the equipment compartment). You can then call us at 1-855-248-0777 or email fixmytub@gmail.com with that information, and our team will verify the right fit before you order.
Is this a new part or a refurbished one?
This is a brand-new circuit board — not refurbished or rebuilt. You're getting a fresh unit straight from the manufacturer.
What does the suffix on my part number mean?
Western Tub and Pool ships from warehouses in multiple regions. Parts originating from the U.S. carry a U suffix, Canada a C, Europe an E, and Asia an A. Some parts are stocked in more than one region, which can affect shipping times and costs.
What if I'm not sure which part I need?
No problem. Take a clear photo of your existing circuit board (including any visible part numbers), note your spa's make, model, and serial number, and send it all to fixmytub@gmail.com. Our team will do the rest.
Do you ship internationally?
Yes. Western Tub and Pool is an international e-tailer. We ship to customers across North America and beyond. Shipping costs and delivery times will vary based on your location and the regional warehouse fulfilling your order.
Shop and Order at Western Tub and Pool
Ready to get your spa back in action? Our team is here to help you find the right part, confirm compatibility, and get your order on its way.
Call us: 1-855-248-0777
Email us: fixmytub@gmail.com
[Shop and Order at Western Tub and Pool]
Having trouble finding a hard-to-source part? Send us an email at fixmytub@gmail.com with your spa's make, model, serial number, and a photo of the part if possible. We specialize in hard-to-find hot tub and spa replacement parts and will do everything we can to track down what you need.")
![Replace Your Cal Spa Circuit Board With Confidence
Your hot tub should work when you need it most. The Cal Spa C4001R1C Circuit Board (ELE09100250) is a new, direct replacement part that gets your spa back up and running fast — no guesswork, no hassle.
[Shop and Order at Western Tub and Pool]
What You're Getting
New, Not Refurbished
The C4001R1C is a brand-new replacement circuit board — not a rebuilt or refurbished unit. You get full functionality and peace of mind from the moment it arrives.
A Trusted OEM Cross-Reference
This board cross-references with ELE09100250 and is engineered to integrate seamlessly with compatible Cal Spas control systems. If your current board is failing, this is the part that brings your spa back to life.
Broad Model Compatibility
This circuit board is used across a wide range of Cal Spas hot tub models. Whether you have a classic unit or a more recent model, chances are this board is the right fit for your system. Not sure? Call us or send us your make, model, and serial number — we'll confirm compatibility before you order.
Ships From Multiple Regions
As an international e-tailer, Western Tub and Pool sources parts from warehouses across the globe to get your order to you as quickly as possible. To help you identify part origin, we use the following suffixes:
U – United States
C – Canada
E – Europe
A – Asia
Please note: some parts may be available from multiple regions. Shipping times and costs will vary based on the warehouse your order is fulfilled from.
Compatible Hot Tub Models
The Cal Spa C4001R1C Circuit Board (ELE09100250) is compatible with many Cal Spas models and control systems. Because compatibility can vary based on your spa's production year and configuration, we strongly recommend confirming your part number or contacting our team before ordering.
To confirm compatibility:
Check the part number on your existing circuit board
Note your spa's make, model, and serial number
Send us a photo of the existing board if the part number is unclear
Call us at 1-855-248-0777 or email fixmytub@gmail.com and we'll identify the right part for you.
Dimensions and Specifications
Specification
Details
Part Number
C4001R1C
Cross-Reference
ELE09100250
Condition
New
Compatible Brand
Cal Spas
Application
Hot Tub / Spa Circuit Board
Dimensions
Contact us to confirm for your specific unit
Weight
Contact us to confirm for your specific unit
Dimensions and weight may vary slightly depending on production batch and region of origin. Contact our team for precise specifications.
Frequently Asked Questions
How do I know if this circuit board is compatible with my hot tub?
The best way to confirm compatibility is to check the part number printed on your existing circuit board, or locate your spa's model and serial number (typically found on a label inside the equipment compartment). You can then call us at 1-855-248-0777 or email fixmytub@gmail.com with that information, and our team will verify the right fit before you order.
Is this a new part or a refurbished one?
This is a brand-new circuit board — not refurbished or rebuilt. You're getting a fresh unit straight from the manufacturer.
What does the suffix on my part number mean?
Western Tub and Pool ships from warehouses in multiple regions. Parts originating from the U.S. carry a U suffix, Canada a C, Europe an E, and Asia an A. Some parts are stocked in more than one region, which can affect shipping times and costs.
What if I'm not sure which part I need?
No problem. Take a clear photo of your existing circuit board (including any visible part numbers), note your spa's make, model, and serial number, and send it all to fixmytub@gmail.com. Our team will do the rest.
Do you ship internationally?
Yes. Western Tub and Pool is an international e-tailer. We ship to customers across North America and beyond. Shipping costs and delivery times will vary based on your location and the regional warehouse fulfilling your order.
Shop and Order at Western Tub and Pool
Ready to get your spa back in action? Our team is here to help you find the right part, confirm compatibility, and get your order on its way.
Call us: 1-855-248-0777
Email us: fixmytub@gmail.com
[Shop and Order at Western Tub and Pool]
Having trouble finding a hard-to-source part? Send us an email at fixmytub@gmail.com with your spa's make, model, serial number, and a photo of the part if possible. We specialize in hard-to-find hot tub and spa replacement parts and will do everything we can to track down what you need.](https://cdn11.bigcommerce.com/s-b7yzllubsu/images/stencil/100x100/products/4505/6768/ELE09100250__66128.1786475802.PNG?c=2 "Replace Your Cal Spa Circuit Board With Confidence
Your hot tub should work when you need it most. The Cal Spa C4001R1C Circuit Board (ELE09100250) is a new, direct replacement part that gets your spa back up and running fast — no guesswork, no hassle.
[Shop and Order at Western Tub and Pool]
What You're Getting
New, Not Refurbished
The C4001R1C is a brand-new replacement circuit board — not a rebuilt or refurbished unit. You get full functionality and peace of mind from the moment it arrives.
A Trusted OEM Cross-Reference
This board cross-references with ELE09100250 and is engineered to integrate seamlessly with compatible Cal Spas control systems. If your current board is failing, this is the part that brings your spa back to life.
Broad Model Compatibility
This circuit board is used across a wide range of Cal Spas hot tub models. Whether you have a classic unit or a more recent model, chances are this board is the right fit for your system. Not sure? Call us or send us your make, model, and serial number — we'll confirm compatibility before you order.
Ships From Multiple Regions
As an international e-tailer, Western Tub and Pool sources parts from warehouses across the globe to get your order to you as quickly as possible. To help you identify part origin, we use the following suffixes:
U – United States
C – Canada
E – Europe
A – Asia
Please note: some parts may be available from multiple regions. Shipping times and costs will vary based on the warehouse your order is fulfilled from.
Compatible Hot Tub Models
The Cal Spa C4001R1C Circuit Board (ELE09100250) is compatible with many Cal Spas models and control systems. Because compatibility can vary based on your spa's production year and configuration, we strongly recommend confirming your part number or contacting our team before ordering.
To confirm compatibility:
Check the part number on your existing circuit board
Note your spa's make, model, and serial number
Send us a photo of the existing board if the part number is unclear
Call us at 1-855-248-0777 or email fixmytub@gmail.com and we'll identify the right part for you.
Dimensions and Specifications
Specification
Details
Part Number
C4001R1C
Cross-Reference
ELE09100250
Condition
New
Compatible Brand
Cal Spas
Application
Hot Tub / Spa Circuit Board
Dimensions
Contact us to confirm for your specific unit
Weight
Contact us to confirm for your specific unit
Dimensions and weight may vary slightly depending on production batch and region of origin. Contact our team for precise specifications.
Frequently Asked Questions
How do I know if this circuit board is compatible with my hot tub?
The best way to confirm compatibility is to check the part number printed on your existing circuit board, or locate your spa's model and serial number (typically found on a label inside the equipment compartment). You can then call us at 1-855-248-0777 or email fixmytub@gmail.com with that information, and our team will verify the right fit before you order.
Is this a new part or a refurbished one?
This is a brand-new circuit board — not refurbished or rebuilt. You're getting a fresh unit straight from the manufacturer.
What does the suffix on my part number mean?
Western Tub and Pool ships from warehouses in multiple regions. Parts originating from the U.S. carry a U suffix, Canada a C, Europe an E, and Asia an A. Some parts are stocked in more than one region, which can affect shipping times and costs.
What if I'm not sure which part I need?
No problem. Take a clear photo of your existing circuit board (including any visible part numbers), note your spa's make, model, and serial number, and send it all to fixmytub@gmail.com. Our team will do the rest.
Do you ship internationally?
Yes. Western Tub and Pool is an international e-tailer. We ship to customers across North America and beyond. Shipping costs and delivery times will vary based on your location and the regional warehouse fulfilling your order.
Shop and Order at Western Tub and Pool
Ready to get your spa back in action? Our team is here to help you find the right part, confirm compatibility, and get your order on its way.
Call us: 1-855-248-0777
Email us: fixmytub@gmail.com
[Shop and Order at Western Tub and Pool]
Having trouble finding a hard-to-source part? Send us an email at fixmytub@gmail.com with your spa's make, model, serial number, and a photo of the part if possible. We specialize in hard-to-find hot tub and spa replacement parts and will do everything we can to track down what you need.")
Product Description
Replace Your Cal Spa Circuit Board With Confidence
Your hot tub should work when you need it most. The Cal Spa C4001R1C Circuit Board (ELE09100250) is a new, direct replacement part that gets your spa back up and running fast — no guesswork, no hassle.
[Shop and Order at Western Tub and Pool]
What You're Getting
New, Not Refurbished
The C4001R1C is a brand-new replacement circuit board — not a rebuilt or refurbished unit. You get full functionality and peace of mind from the moment it arrives.
A Trusted OEM Cross-Reference
This board cross-references with ELE09100250 and is engineered to integrate seamlessly with compatible Cal Spas control systems. If your current board is failing, this is the part that brings your spa back to life.
Broad Model Compatibility
This circuit board is used across a wide range of Cal Spas hot tub models. Whether you have a classic unit or a more recent model, chances are this board is the right fit for your system. Not sure? Call us or send us your make, model, and serial number — we'll confirm compatibility before you order.
Ships From Multiple Regions
As an international e-tailer, Western Tub and Pool sources parts from warehouses across the globe to get your order to you as quickly as possible. To help you identify part origin, we use the following suffixes:
- U – United States
- C – Canada
- E – Europe
- A – Asia
Please note: some parts may be available from multiple regions. Shipping times and costs will vary based on the warehouse your order is fulfilled from.
Compatible Hot Tub Models
The Cal Spa C4001R1C Circuit Board (ELE09100250) is compatible with many Cal Spas models and control systems. Because compatibility can vary based on your spa's production year and configuration, we strongly recommend confirming your part number or contacting our team before ordering.
To confirm compatibility:
- Check the part number on your existing circuit board
- Note your spa's make, model, and serial number
- Send us a photo of the existing board if the part number is unclear
Call us at 1-855-248-0777 or email fixmytub@gmail.com and we'll identify the right part for you.
Dimensions and Specifications
|
Specification |
Details |
|---|---|
|
Part Number |
C4001R1C |
|
Cross-Reference |
ELE09100250 |
|
Condition |
New |
|
Compatible Brand |
Cal Spas |
|
Application |
Hot Tub / Spa Circuit Board |
|
Dimensions |
Contact us to confirm for your specific unit |
|
Weight |
Contact us to confirm for your specific unit |
Dimensions and weight may vary slightly depending on production batch and region of origin. Contact our team for precise specifications.
Frequently Asked Questions
How do I know if this circuit board is compatible with my hot tub?
The best way to confirm compatibility is to check the part number printed on your existing circuit board, or locate your spa's model and serial number (typically found on a label inside the equipment compartment). You can then call us at 1-855-248-0777 or email fixmytub@gmail.com with that information, and our team will verify the right fit before you order.
Is this a new part or a refurbished one?
This is a brand-new circuit board — not refurbished or rebuilt. You're getting a fresh unit straight from the manufacturer.
What does the suffix on my part number mean?
Western Tub and Pool ships from warehouses in multiple regions. Parts originating from the U.S. carry a U suffix, Canada a C, Europe an E, and Asia an A. Some parts are stocked in more than one region, which can affect shipping times and costs.
What if I'm not sure which part I need?
No problem. Take a clear photo of your existing circuit board (including any visible part numbers), note your spa's make, model, and serial number, and send it all to fixmytub@gmail.com. Our team will do the rest.
Do you ship internationally?
Yes. Western Tub and Pool is an international e-tailer. We ship to customers across North America and beyond. Shipping costs and delivery times will vary based on your location and the regional warehouse fulfilling your order.
Shop and Order at Western Tub and Pool
Ready to get your spa back in action? Our team is here to help you find the right part, confirm compatibility, and get your order on its way.
Call us: 1-855-248-0777
Email us:fixmytub@gmail.com
[Shop and Order at Western Tub and Pool]
Having trouble finding a hard-to-source part? Send us an email at fixmytub@gmail.com with your spa's make, model, serial number, and a photo of the part if possible. We specialize in hard-to-find hot tub and spa replacement parts and will do everything we can to track down what you need.
![Replace Your Cal Spa Circuit Board With Confidence
Your hot tub should work when you need it most. The Cal Spa C4001R1C Circuit Board (ELE09100250) is a new, direct replacement part that gets your spa back up and running fast — no guesswork, no hassle.
[Shop and Order at Western Tub and Pool]
What You're Getting
New, Not Refurbished
The C4001R1C is a brand-new replacement circuit board — not a rebuilt or refurbished unit. You get full functionality and peace of mind from the moment it arrives.
A Trusted OEM Cross-Reference
This board cross-references with ELE09100250 and is engineered to integrate seamlessly with compatible Cal Spas control systems. If your current board is failing, this is the part that brings your spa back to life.
Broad Model Compatibility
This circuit board is used across a wide range of Cal Spas hot tub models. Whether you have a classic unit or a more recent model, chances are this board is the right fit for your system. Not sure? Call us or send us your make, model, and serial number — we'll confirm compatibility before you order.
Ships From Multiple Regions
As an international e-tailer, Western Tub and Pool sources parts from warehouses across the globe to get your order to you as quickly as possible. To help you identify part origin, we use the following suffixes:
U – United States
C – Canada
E – Europe
A – Asia
Please note: some parts may be available from multiple regions. Shipping times and costs will vary based on the warehouse your order is fulfilled from.
Compatible Hot Tub Models
The Cal Spa C4001R1C Circuit Board (ELE09100250) is compatible with many Cal Spas models and control systems. Because compatibility can vary based on your spa's production year and configuration, we strongly recommend confirming your part number or contacting our team before ordering.
To confirm compatibility:
Check the part number on your existing circuit board
Note your spa's make, model, and serial number
Send us a photo of the existing board if the part number is unclear
Call us at 1-855-248-0777 or email fixmytub@gmail.com and we'll identify the right part for you.
Dimensions and Specifications
Specification
Details
Part Number
C4001R1C
Cross-Reference
ELE09100250
Condition
New
Compatible Brand
Cal Spas
Application
Hot Tub / Spa Circuit Board
Dimensions
Contact us to confirm for your specific unit
Weight
Contact us to confirm for your specific unit
Dimensions and weight may vary slightly depending on production batch and region of origin. Contact our team for precise specifications.
Frequently Asked Questions
How do I know if this circuit board is compatible with my hot tub?
The best way to confirm compatibility is to check the part number printed on your existing circuit board, or locate your spa's model and serial number (typically found on a label inside the equipment compartment). You can then call us at 1-855-248-0777 or email fixmytub@gmail.com with that information, and our team will verify the right fit before you order.
Is this a new part or a refurbished one?
This is a brand-new circuit board — not refurbished or rebuilt. You're getting a fresh unit straight from the manufacturer.
What does the suffix on my part number mean?
Western Tub and Pool ships from warehouses in multiple regions. Parts originating from the U.S. carry a U suffix, Canada a C, Europe an E, and Asia an A. Some parts are stocked in more than one region, which can affect shipping times and costs.
What if I'm not sure which part I need?
No problem. Take a clear photo of your existing circuit board (including any visible part numbers), note your spa's make, model, and serial number, and send it all to fixmytub@gmail.com. Our team will do the rest.
Do you ship internationally?
Yes. Western Tub and Pool is an international e-tailer. We ship to customers across North America and beyond. Shipping costs and delivery times will vary based on your location and the regional warehouse fulfilling your order.
Shop and Order at Western Tub and Pool
Ready to get your spa back in action? Our team is here to help you find the right part, confirm compatibility, and get your order on its way.
Call us: 1-855-248-0777
Email us: fixmytub@gmail.com
[Shop and Order at Western Tub and Pool]
Having trouble finding a hard-to-source part? Send us an email at fixmytub@gmail.com with your spa's make, model, serial number, and a photo of the part if possible. We specialize in hard-to-find hot tub and spa replacement parts and will do everything we can to track down what you need.](https://cdn11.bigcommerce.com/s-b7yzllubsu/images/stencil/500x659/products/4505/6768/ELE09100250__66128.1786475802.PNG?c=2 "Replace Your Cal Spa Circuit Board With Confidence
Your hot tub should work when you need it most. The Cal Spa C4001R1C Circuit Board (ELE09100250) is a new, direct replacement part that gets your spa back up and running fast — no guesswork, no hassle.
[Shop and Order at Western Tub and Pool]
What You're Getting
New, Not Refurbished
The C4001R1C is a brand-new replacement circuit board — not a rebuilt or refurbished unit. You get full functionality and peace of mind from the moment it arrives.
A Trusted OEM Cross-Reference
This board cross-references with ELE09100250 and is engineered to integrate seamlessly with compatible Cal Spas control systems. If your current board is failing, this is the part that brings your spa back to life.
Broad Model Compatibility
This circuit board is used across a wide range of Cal Spas hot tub models. Whether you have a classic unit or a more recent model, chances are this board is the right fit for your system. Not sure? Call us or send us your make, model, and serial number — we'll confirm compatibility before you order.
Ships From Multiple Regions
As an international e-tailer, Western Tub and Pool sources parts from warehouses across the globe to get your order to you as quickly as possible. To help you identify part origin, we use the following suffixes:
U – United States
C – Canada
E – Europe
A – Asia
Please note: some parts may be available from multiple regions. Shipping times and costs will vary based on the warehouse your order is fulfilled from.
Compatible Hot Tub Models
The Cal Spa C4001R1C Circuit Board (ELE09100250) is compatible with many Cal Spas models and control systems. Because compatibility can vary based on your spa's production year and configuration, we strongly recommend confirming your part number or contacting our team before ordering.
To confirm compatibility:
Check the part number on your existing circuit board
Note your spa's make, model, and serial number
Send us a photo of the existing board if the part number is unclear
Call us at 1-855-248-0777 or email fixmytub@gmail.com and we'll identify the right part for you.
Dimensions and Specifications
Specification
Details
Part Number
C4001R1C
Cross-Reference
ELE09100250
Condition
New
Compatible Brand
Cal Spas
Application
Hot Tub / Spa Circuit Board
Dimensions
Contact us to confirm for your specific unit
Weight
Contact us to confirm for your specific unit
Dimensions and weight may vary slightly depending on production batch and region of origin. Contact our team for precise specifications.
Frequently Asked Questions
How do I know if this circuit board is compatible with my hot tub?
The best way to confirm compatibility is to check the part number printed on your existing circuit board, or locate your spa's model and serial number (typically found on a label inside the equipment compartment). You can then call us at 1-855-248-0777 or email fixmytub@gmail.com with that information, and our team will verify the right fit before you order.
Is this a new part or a refurbished one?
This is a brand-new circuit board — not refurbished or rebuilt. You're getting a fresh unit straight from the manufacturer.
What does the suffix on my part number mean?
Western Tub and Pool ships from warehouses in multiple regions. Parts originating from the U.S. carry a U suffix, Canada a C, Europe an E, and Asia an A. Some parts are stocked in more than one region, which can affect shipping times and costs.
What if I'm not sure which part I need?
No problem. Take a clear photo of your existing circuit board (including any visible part numbers), note your spa's make, model, and serial number, and send it all to fixmytub@gmail.com. Our team will do the rest.
Do you ship internationally?
Yes. Western Tub and Pool is an international e-tailer. We ship to customers across North America and beyond. Shipping costs and delivery times will vary based on your location and the regional warehouse fulfilling your order.
Shop and Order at Western Tub and Pool
Ready to get your spa back in action? Our team is here to help you find the right part, confirm compatibility, and get your order on its way.
Call us: 1-855-248-0777
Email us: fixmytub@gmail.com
[Shop and Order at Western Tub and Pool]
Having trouble finding a hard-to-source part? Send us an email at fixmytub@gmail.com with your spa's make, model, serial number, and a photo of the part if possible. We specialize in hard-to-find hot tub and spa replacement parts and will do everything we can to track down what you need.")
![Cal Spa Circuit Board ELE09100027 — Get Your Hot Tub Running Again
Is your Cal Spa hot tub not heating, not responding, or throwing error codes? A failed circuit board is one of the most common culprits — and the ELE09100027 is the OEM replacement that gets your spa back up and running fast. Shop and order at Western Tub and Pool, your trusted source for hard-to-find Cal Spas replacement parts.
Call us: 1-855-248-0777 | Email: fixmytub@gmail.com
[Shop This Part Now] [Call for Assistance]
What Is the Cal Spa Circuit Board ELE09100027?
The Cal Spa Circuit Board ELE09100027 is a genuine OEM-grade printed circuit board designed for Cal Spas hot tubs equipped with the CS501Z control box. This is the brain of your spa's control system — managing heat, jets, pumps, and all electronic functions. When it fails, your spa stops working. This board is the direct, factory-compatible replacement.
This is a brand new board, backed by Cal Spas' manufacturer's warranty.
Product Specifications
Specification
Details
Part Number
ELE09100027
Also Listed As
CALELE09100027
Balboa / OEM Reference Number
54512-01
Chip Numbers
GS501ZR2 / CS501Z1R1B
Compatible Control System
CS501Z
Condition
Brand New
Approximate Dimensions
11 inches wide x 5 inches high
Warranty
90-Day Cal Spas Manufacturer's Warranty
Brand
Cal Spas (Balboa-based system)
Important: Before ordering, please verify the chip ID number printed on your existing circuit board to confirm this is the correct replacement for your spa. Not sure? Send us a photo — we'll help you identify it.
Compatible Control Systems & Hot Tub Models
The ELE09100027 circuit board fits Cal Spas hot tubs that use the CS501Z control box. This control system was installed across a wide range of Cal Spas models. Compatible chip numbers include:
GS501ZR2
CS501ZR1B
CS501Z1R1B
Newer revisions may end in any letter (e.g., R1A, R1B, R1C, etc.)
Cal Spas models and series that commonly use the CS501Z control system include:
Cal Spas CS501Z Series Hot Tubs
Select models from the Cal Spas 500 Series
Various Cal Spas spa models equipped with the CS501Z control pack
Not sure if this board fits your spa? Locate your existing circuit board, check the chip ID label, and compare it with the numbers listed above. You can also call us at 1-855-248-0777 or email fixmytub@gmail.com with your spa's make, model, and serial number, and we'll confirm compatibility for you.
Why Order From Western Tub and Pool?
Finding the right circuit board for your Cal Spa doesn't have to be a headache. At Western Tub and Pool, we specialize in hard-to-find hot tub repair parts — including discontinued and OEM-grade circuit boards that most suppliers don't carry.
Genuine OEM-Compatible Part
The ELE09100027 is a factory-referenced replacement board — not a generic knockoff. It's built to match your spa's original control system specifications.
90-Day Manufacturer's Warranty
This board is covered by Cal Spas' own 90-day warranty, giving you peace of mind with your repair investment.
Expert Parts Assistance
Not sure this is the right part? Our team can help. Send us your spa's serial number, model, or a photo of your existing board, and we'll point you in the right direction.
Hard-to-Find Parts Specialists
We stock and source circuit boards, spa packs, and control systems that are difficult to find elsewhere. If it exists, we'll track it down.
How to Order or Get Help
Getting the right part is straightforward when you know where to look.
1. Confirm Your Part Number
Check the chip ID label on your existing circuit board. Look for: GS501ZR2, CS501ZR1B, or CS501Z1R1B.
2. Browse Our Online Catalogue or Call Us
Search our full catalogue for Cal Spas circuit boards, or speak directly with our parts team for personalized help.
3. Place Your Order
Order online or over the phone. We'll get your part processed and shipped promptly.
Frequently Asked Questions
How do I know if this circuit board fits my Cal Spa hot tub?
Locate the existing circuit board inside your spa's control box and find the chip ID label. If it reads GS501ZR2, CS501ZR1B, or CS501Z1R1B, this board is your match. Still unsure? Email us a photo of your board and spa serial number to fixmytub@gmail.com and we'll confirm it for you.
What does a faulty circuit board look like?
Common signs of a failed circuit board include: the spa not powering on, error codes on the topside panel, jets or heaters not responding to controls, or the spa cycling on and off unexpectedly.
Is the ELE09100027 a new or refurbished board?
This is a brand new circuit board — not refurbished or used.
What is the warranty on this board?
The ELE09100027 is backed by a 90-day Cal Spas manufacturer's warranty.
What if I can't find my chip ID number?
No problem. Send us a clear photo of your circuit board, along with your spa's make, model, and serial number, to fixmytub@gmail.com. Our team will identify the correct part for you at no charge.
Can I install this board myself?
Many experienced DIY spa owners successfully replace circuit boards themselves. However, if you're not comfortable working with electrical components, we recommend using a licensed spa technician.
Do you carry other Cal Spas circuit boards or spa parts?
Yes. Western Tub and Pool carries a wide range of Cal Spas replacement parts, including additional circuit boards, control packs, heaters, pumps, and more. Browse our online catalogue or call us to discuss your specific needs.
Can't Find the Part You Need?
We specialize in hard-to-find hot tub parts. If you're unsure which circuit board your Cal Spa requires, or if you're dealing with a discontinued or uncommon model, don't guess — reach out to us directly.
To get the fastest help, please have the following ready:
Your spa's make and model
Your spa's serial number (usually found on a sticker inside the equipment bay)
The chip ID number from your existing circuit board (if available)
Photos of your existing board (front and back) — these help us identify the correct replacement immediately
Contact Western Tub and Pool:
Phone: 1-855-248-0777
Email: fixmytub@gmail.com
Get Your Spa Back Up and Running Today
Don't let a failed circuit board keep you out of the water. The Cal Spa Circuit Board ELE09100027 is a direct, OEM-compatible replacement for Cal Spas hot tubs equipped with the CS501Z control system — and Western Tub and Pool has it in stock.
Shop and order at Western Tub and Pool today, or call our parts specialists for hands-on guidance.
1-855-248-0777 | fixmytub@gmail.com
[Order the ELE09100027 Now] [Browse Our Full Parts Catalogue] [Email Us for Help]](https://cdn11.bigcommerce.com/s-b7yzllubsu/images/stencil/500x659/products/4433/6687/CSE09100027__59844.1784397662.PNG?c=2 "Cal Spa Circuit Board ELE09100027 — Get Your Hot Tub Running Again
Is your Cal Spa hot tub not heating, not responding, or throwing error codes? A failed circuit board is one of the most common culprits — and the ELE09100027 is the OEM replacement that gets your spa back up and running fast. Shop and order at Western Tub and Pool, your trusted source for hard-to-find Cal Spas replacement parts.
Call us: 1-855-248-0777 | Email: fixmytub@gmail.com
[Shop This Part Now] [Call for Assistance]
What Is the Cal Spa Circuit Board ELE09100027?
The Cal Spa Circuit Board ELE09100027 is a genuine OEM-grade printed circuit board designed for Cal Spas hot tubs equipped with the CS501Z control box. This is the brain of your spa's control system — managing heat, jets, pumps, and all electronic functions. When it fails, your spa stops working. This board is the direct, factory-compatible replacement.
This is a brand new board, backed by Cal Spas' manufacturer's warranty.
Product Specifications
Specification
Details
Part Number
ELE09100027
Also Listed As
CALELE09100027
Balboa / OEM Reference Number
54512-01
Chip Numbers
GS501ZR2 / CS501Z1R1B
Compatible Control System
CS501Z
Condition
Brand New
Approximate Dimensions
11 inches wide x 5 inches high
Warranty
90-Day Cal Spas Manufacturer's Warranty
Brand
Cal Spas (Balboa-based system)
Important: Before ordering, please verify the chip ID number printed on your existing circuit board to confirm this is the correct replacement for your spa. Not sure? Send us a photo — we'll help you identify it.
Compatible Control Systems & Hot Tub Models
The ELE09100027 circuit board fits Cal Spas hot tubs that use the CS501Z control box. This control system was installed across a wide range of Cal Spas models. Compatible chip numbers include:
GS501ZR2
CS501ZR1B
CS501Z1R1B
Newer revisions may end in any letter (e.g., R1A, R1B, R1C, etc.)
Cal Spas models and series that commonly use the CS501Z control system include:
Cal Spas CS501Z Series Hot Tubs
Select models from the Cal Spas 500 Series
Various Cal Spas spa models equipped with the CS501Z control pack
Not sure if this board fits your spa? Locate your existing circuit board, check the chip ID label, and compare it with the numbers listed above. You can also call us at 1-855-248-0777 or email fixmytub@gmail.com with your spa's make, model, and serial number, and we'll confirm compatibility for you.
Why Order From Western Tub and Pool?
Finding the right circuit board for your Cal Spa doesn't have to be a headache. At Western Tub and Pool, we specialize in hard-to-find hot tub repair parts — including discontinued and OEM-grade circuit boards that most suppliers don't carry.
Genuine OEM-Compatible Part
The ELE09100027 is a factory-referenced replacement board — not a generic knockoff. It's built to match your spa's original control system specifications.
90-Day Manufacturer's Warranty
This board is covered by Cal Spas' own 90-day warranty, giving you peace of mind with your repair investment.
Expert Parts Assistance
Not sure this is the right part? Our team can help. Send us your spa's serial number, model, or a photo of your existing board, and we'll point you in the right direction.
Hard-to-Find Parts Specialists
We stock and source circuit boards, spa packs, and control systems that are difficult to find elsewhere. If it exists, we'll track it down.
How to Order or Get Help
Getting the right part is straightforward when you know where to look.
1. Confirm Your Part Number
Check the chip ID label on your existing circuit board. Look for: GS501ZR2, CS501ZR1B, or CS501Z1R1B.
2. Browse Our Online Catalogue or Call Us
Search our full catalogue for Cal Spas circuit boards, or speak directly with our parts team for personalized help.
3. Place Your Order
Order online or over the phone. We'll get your part processed and shipped promptly.
Frequently Asked Questions
How do I know if this circuit board fits my Cal Spa hot tub?
Locate the existing circuit board inside your spa's control box and find the chip ID label. If it reads GS501ZR2, CS501ZR1B, or CS501Z1R1B, this board is your match. Still unsure? Email us a photo of your board and spa serial number to fixmytub@gmail.com and we'll confirm it for you.
What does a faulty circuit board look like?
Common signs of a failed circuit board include: the spa not powering on, error codes on the topside panel, jets or heaters not responding to controls, or the spa cycling on and off unexpectedly.
Is the ELE09100027 a new or refurbished board?
This is a brand new circuit board — not refurbished or used.
What is the warranty on this board?
The ELE09100027 is backed by a 90-day Cal Spas manufacturer's warranty.
What if I can't find my chip ID number?
No problem. Send us a clear photo of your circuit board, along with your spa's make, model, and serial number, to fixmytub@gmail.com. Our team will identify the correct part for you at no charge.
Can I install this board myself?
Many experienced DIY spa owners successfully replace circuit boards themselves. However, if you're not comfortable working with electrical components, we recommend using a licensed spa technician.
Do you carry other Cal Spas circuit boards or spa parts?
Yes. Western Tub and Pool carries a wide range of Cal Spas replacement parts, including additional circuit boards, control packs, heaters, pumps, and more. Browse our online catalogue or call us to discuss your specific needs.
Can't Find the Part You Need?
We specialize in hard-to-find hot tub parts. If you're unsure which circuit board your Cal Spa requires, or if you're dealing with a discontinued or uncommon model, don't guess — reach out to us directly.
To get the fastest help, please have the following ready:
Your spa's make and model
Your spa's serial number (usually found on a sticker inside the equipment bay)
The chip ID number from your existing circuit board (if available)
Photos of your existing board (front and back) — these help us identify the correct replacement immediately
Contact Western Tub and Pool:
Phone: 1-855-248-0777
Email: fixmytub@gmail.com
Get Your Spa Back Up and Running Today
Don't let a failed circuit board keep you out of the water. The Cal Spa Circuit Board ELE09100027 is a direct, OEM-compatible replacement for Cal Spas hot tubs equipped with the CS501Z control system — and Western Tub and Pool has it in stock.
Shop and order at Western Tub and Pool today, or call our parts specialists for hands-on guidance.
1-855-248-0777 | fixmytub@gmail.com
[Order the ELE09100027 Now] [Browse Our Full Parts Catalogue] [Email Us for Help]")
![Cal Spa Circuit Board C11JDR1B — Genuine Replacement Part
Get your hot tub back up and running with the Cal Spa C11JDR1B Circuit Board (ELE09100180). Whether your spa has stopped heating, the jets won't respond, or the controls are unresponsive, this circuit board is the trusted replacement part you need.
Shop and order at Western Tub and Pool — Call 1-855-248-0777 or email fixmytub@gmail.com
[Shop Now] [Call Us: 1-855-248-0777]
What is the Cal Spa C11JDR1B Circuit Board?
The Cal Spa C11JDR1B Circuit Board (Part No. ELE09100180) is a factory-grade replacement control board designed specifically for Cal Spa hot tubs and spas. It serves as the brain of your spa's electrical system — managing everything from temperature control and jet operation to lighting and safety functions.
If your spa is showing error codes, failing to heat, or simply not responding to controls, a faulty circuit board is often the culprit. This replacement board restores full functionality quickly and reliably.
Part Details & Specifications
Specification
Details
Part Name
Cal Spa Circuit Board
Part Number
C11JDR1B
Cross-Reference Number
ELE09100180
Condition
New
Manufacturer
Cal Spa
Typical Weight
Approx. 1.5–2 lbs (varies by packaging)
Dimensions
Approx. 10" x 6" x 2" (may vary slightly by batch)
Voltage
120V / 240V (verify with your spa model)
Availability
In stock — subject to regional warehouse location
Compatible Hot Tub Models
The C11JDR1B Circuit Board is used across a wide range of Cal Spa models. Compatible models typically include:
Cal Spa Series 100
Cal Spa Series 200
Cal Spa Series 300
Cal Spa Series 400
Cal Spa Series 500
Cal Spa Series 600
Cal Spa Series 700
Cal Spa Premier Series
Cal Spa Signature Series
Cal Spa Value Series
Not sure if this part fits your model? Call us at 1-855-248-0777 or email fixmytub@gmail.com with your spa's make, model, and serial number, and our team will confirm compatibility for you.
Compatible Controls & Cross-Reference Numbers
This board is compatible with the following control systems and cross-reference numbers:
ELE09100180
C11JDR1B
Additional cross-reference numbers may apply — contact us to verify
Related Replacement Parts
When replacing your circuit board, you may also want to inspect or replace these commonly associated spa components:
Topside control panels
Spa pack / control system
Pressure switches
Temperature sensors / thermistors
Heater elements
Transformers
Relays and fuses
Browse our full catalogue at Western Tub and Pool or call us for bundled part recommendations.
Frequently Asked Questions
How do I know if my circuit board needs replacing?
Common signs of a failing circuit board include: error codes on the topside display, jets or heating that won't turn on, unresponsive controls, tripping breakers, or a spa that's completely dead. If basic troubleshooting doesn't resolve the issue, the circuit board is often the cause.
Is this a new or refurbished part?
This is a brand new Cal Spa C11JDR1B Circuit Board (ELE09100180). We do not sell used or refurbished boards unless explicitly stated.
How do I find my part number?
Your part number is typically located on the existing circuit board itself, on a sticker or printed label. You can also check your spa's owner manual or the spa pack enclosure door. If you're unsure, send us a photo of your existing board, along with your spa's make, model, and serial number, and we'll identify the correct part for you.
Do you ship internationally?
Yes! Western Tub and Pool is an international e-tailer. We ship from multiple regional warehouses, which may affect shipping times and costs. To help identify part origin, we use the following suffixes:
U = United States
C = Canada
E = Europe
A = Asia
Some parts may be available from multiple regional warehouses. The suffix on your part number will indicate its region of origin.
How long will shipping take?
Shipping times depend on your location and the regional warehouse your order is fulfilled from. Contact us for an estimated delivery window based on your region.
Can I return the part if it doesn't fit?
Please verify compatibility before ordering by checking your model number or contacting our team. For return and exchange policies, reach out to us directly at fixmytub@gmail.com or call 1-855-248-0777.
Hard to Find a Part? We Can Help.
Western Tub and Pool specializes in sourcing hard-to-find hot tub and spa parts. If you can't find what you're looking for in our catalogue, don't give up — send us an email at fixmytub@gmail.com with the following details and we'll do our best to track it down:
Your spa's make and model
Your spa's serial number
The part number (if known)
Photos of the existing part
Our team of spa parts specialists is here to help you get back to soaking as quickly as possible.
Shop and Order at Western Tub and Pool
Ready to restore your spa to full working order? Order your Cal Spa C11JDR1B Circuit Board today from Western Tub and Pool — your trusted source for hot tub and spa replacement parts.
Call us: 1-855-248-0777
Email us: fixmytub@gmail.com
[Order Now] [Browse Our Full Catalogue]](https://cdn11.bigcommerce.com/s-b7yzllubsu/images/stencil/500x659/products/4498/6760/ELE09100180__62558.1786137839.PNG?c=2 "Cal Spa Circuit Board C11JDR1B — Genuine Replacement Part
Get your hot tub back up and running with the Cal Spa C11JDR1B Circuit Board (ELE09100180). Whether your spa has stopped heating, the jets won't respond, or the controls are unresponsive, this circuit board is the trusted replacement part you need.
Shop and order at Western Tub and Pool — Call 1-855-248-0777 or email fixmytub@gmail.com
[Shop Now] [Call Us: 1-855-248-0777]
What is the Cal Spa C11JDR1B Circuit Board?
The Cal Spa C11JDR1B Circuit Board (Part No. ELE09100180) is a factory-grade replacement control board designed specifically for Cal Spa hot tubs and spas. It serves as the brain of your spa's electrical system — managing everything from temperature control and jet operation to lighting and safety functions.
If your spa is showing error codes, failing to heat, or simply not responding to controls, a faulty circuit board is often the culprit. This replacement board restores full functionality quickly and reliably.
Part Details & Specifications
Specification
Details
Part Name
Cal Spa Circuit Board
Part Number
C11JDR1B
Cross-Reference Number
ELE09100180
Condition
New
Manufacturer
Cal Spa
Typical Weight
Approx. 1.5–2 lbs (varies by packaging)
Dimensions
Approx. 10\" x 6\" x 2\" (may vary slightly by batch)
Voltage
120V / 240V (verify with your spa model)
Availability
In stock — subject to regional warehouse location
Compatible Hot Tub Models
The C11JDR1B Circuit Board is used across a wide range of Cal Spa models. Compatible models typically include:
Cal Spa Series 100
Cal Spa Series 200
Cal Spa Series 300
Cal Spa Series 400
Cal Spa Series 500
Cal Spa Series 600
Cal Spa Series 700
Cal Spa Premier Series
Cal Spa Signature Series
Cal Spa Value Series
Not sure if this part fits your model? Call us at 1-855-248-0777 or email fixmytub@gmail.com with your spa's make, model, and serial number, and our team will confirm compatibility for you.
Compatible Controls & Cross-Reference Numbers
This board is compatible with the following control systems and cross-reference numbers:
ELE09100180
C11JDR1B
Additional cross-reference numbers may apply — contact us to verify
Related Replacement Parts
When replacing your circuit board, you may also want to inspect or replace these commonly associated spa components:
Topside control panels
Spa pack / control system
Pressure switches
Temperature sensors / thermistors
Heater elements
Transformers
Relays and fuses
Browse our full catalogue at Western Tub and Pool or call us for bundled part recommendations.
Frequently Asked Questions
How do I know if my circuit board needs replacing?
Common signs of a failing circuit board include: error codes on the topside display, jets or heating that won't turn on, unresponsive controls, tripping breakers, or a spa that's completely dead. If basic troubleshooting doesn't resolve the issue, the circuit board is often the cause.
Is this a new or refurbished part?
This is a brand new Cal Spa C11JDR1B Circuit Board (ELE09100180). We do not sell used or refurbished boards unless explicitly stated.
How do I find my part number?
Your part number is typically located on the existing circuit board itself, on a sticker or printed label. You can also check your spa's owner manual or the spa pack enclosure door. If you're unsure, send us a photo of your existing board, along with your spa's make, model, and serial number, and we'll identify the correct part for you.
Do you ship internationally?
Yes! Western Tub and Pool is an international e-tailer. We ship from multiple regional warehouses, which may affect shipping times and costs. To help identify part origin, we use the following suffixes:
U = United States
C = Canada
E = Europe
A = Asia
Some parts may be available from multiple regional warehouses. The suffix on your part number will indicate its region of origin.
How long will shipping take?
Shipping times depend on your location and the regional warehouse your order is fulfilled from. Contact us for an estimated delivery window based on your region.
Can I return the part if it doesn't fit?
Please verify compatibility before ordering by checking your model number or contacting our team. For return and exchange policies, reach out to us directly at fixmytub@gmail.com or call 1-855-248-0777.
Hard to Find a Part? We Can Help.
Western Tub and Pool specializes in sourcing hard-to-find hot tub and spa parts. If you can't find what you're looking for in our catalogue, don't give up — send us an email at fixmytub@gmail.com with the following details and we'll do our best to track it down:
Your spa's make and model
Your spa's serial number
The part number (if known)
Photos of the existing part
Our team of spa parts specialists is here to help you get back to soaking as quickly as possible.
Shop and Order at Western Tub and Pool
Ready to restore your spa to full working order? Order your Cal Spa C11JDR1B Circuit Board today from Western Tub and Pool — your trusted source for hot tub and spa replacement parts.
Call us: 1-855-248-0777
Email us: fixmytub@gmail.com
[Order Now] [Browse Our Full Catalogue]")
![Cal Spas C1000R1B Circuit Board (ELE09100000) — Genuine Replacement Part
Your Cal Spa deserves a reliable fix. The Cal Spas C1000R1B Circuit Board (Part #ELE09100000) is the exact replacement control board your spa needs to get back up and running — managing your pumps, heater, and sensors with precision-engineered Balboa electronics.
Shop and order at Western Tub and Pool — call us at 1-855-248-0777 or email fixmytub@gmail.com.
[Shop Now] [Call Us: 1-855-248-0777]
Why Choose the Cal Spas C1000R1B Circuit Board?
OEM-Compatible Balboa Electronics
This board is manufactured by Balboa Water Group — one of the most trusted names in spa electronics. It delivers the same reliable control logic as your original board, with no guesswork and no retrofitting.
Complete Spa Control in One Assembly
The ELE09100000 consolidates your spa's core control functions into a single, robust PCB — coordinating your pump(s), heater, and sensors through an integrated power supply, relay system, and signal processor.
Built for Hot Tub Environments
Engineered to withstand the thermal fluctuations and voltage swings common in spa settings, this board is built tough for the long haul.
Direct Drop-In Replacement
Compatible with chip revisions C1000R1A and C1000R1B (note: newer revisions may end in any letter). Always verify your chip ID number before ordering.
New Condition
Every unit sold by Western Tub and Pool is brand new — not refurbished, not repaired.
Product Specifications
Specification
Detail
Part Number
ELE09100000
Chip Number
C1000R1B (also compatible with C1000R1A; newer revisions may end in any letter)
Balboa Part Number
50868
Brand
Balboa Water Group (for Cal Spas)
Model Series
C1000
Condition
New
Weight
Approximately 1.5 lbs
Warranty
30-Day Limited Warranty (Cal Spas)
Important Note: Physical board dimensions are not published by the manufacturer. If you need to confirm fitment, please send us a photo of your existing board — we're happy to help verify compatibility before you order.
Compatible Cal Spas Hot Tub Models
The C1000R1B Circuit Board (ELE09100000) is used across a wide range of Cal Spas hot tubs equipped with the C1000 control system, including models from the following series:
Escape Series
Pacifica EC-735L, Pacifica EP-761L, Pacifica EC-751L, Tropical EC-735B, Tropical EP-761B, Tropical EC-751B, Atlantic EC-835L, Atlantic EP-861L, Atlantic EC-861L, Bel Air EC-835B, Bel Air EP-861B, Malibu EC-754DL, Malibu EP-760DL, Windsor EC-852L, Windsor EP-860L, Avalon EC-864L, Avalon EP-864L, Cancun EC-864B, Cancun EP-864B, El Grande EC-947E, Newporter EC-948L
Patio Spa Series
Round PZ-511R, Balboa PZ-517L, Vista PZ-617T, Kona PZ-525L, Hawaiian PZ-621L, Pacifica PZ-722L, Tropical PZ-722B
Patio Plus Series
Balboa PPZ-525L, Vista PPZ-628T, Kona PPZ-537L, Hawaiian PPZ-631L, Pacifica PPZ-732L, Tropical PPZ-732B
Platinum Series
Pacifica PL-760L, Tropical PL-760B, Atlantic PL-860L, Bel Air PL-861B, Atlantic PL-880L, Bel Air PL-881B
Platinum Plus Series
Huntington PPL7L, Laguna PPL7B, La Jolla PPL8L, Carmel PPL8B
Swim Pro / Fitness Series
Fitness F-1222, Swim Pro F-1325, Freestyle F-1420, Freestyle F-1437, Champion F-1640, Olympian F-1770
Inground Spa Series
Round IG-401, Octagon IG-402, Square IG-403, Triangular IG-404, Octagon XL IG-405, Kidney IG-406, Round IGJ-401-16, Octagon IGJ-402-16, Square IGJ-403-26, Triangular IGH-404-16, Octagon XL IGJ-405-26, Kidney IGH-406-16
Not sure if this fits your spa? Check the chip number printed on your existing circuit board, and look for the Balboa 5-digit number on the white sticker (it always starts with "5"). Still unsure? Contact our team — we'll help you confirm the right part.
Frequently Asked Questions
How do I know if ELE09100000 is the right circuit board for my hot tub?
Check the chip ID number printed on your existing circuit board. If it reads C1000R1A, C1000R1B, or any other C1000R1 revision (ending in any letter), this board is your match. You can also look for the Balboa 5-digit white sticker number — it should read 50868. If you're still unsure, send us a photo of your old board to fixmytub@gmail.com and we'll confirm compatibility for you.
What does this circuit board control?
The C1000R1B board manages your spa's core functions — including pump operation, heater control, and sensor signal processing. It integrates a power supply, relay system, and signal processor into one compact assembly.
Is this a new part or a refurbished one?
This is a brand-new circuit board — not rebuilt or refurbished.
What is the warranty on this board?
Cal Spas offers a 30-day limited warranty on circuit boards. Please note that this part is non-returnable and is eligible for exchange under warranty only.
What if I can't find my part number?
No problem at all. Send an email to fixmytub@gmail.com with:
Your hot tub's make and model
Your spa's serial number
A photo of your existing circuit board (if available)
Our team will identify the correct part and get back to you promptly.
Can I install this circuit board myself?
Printed circuit board replacement instructions are available from Balboa Water Group. However, if you're not comfortable working with spa electronics, we recommend consulting a qualified spa technician. Have questions before you begin? Give us a call at 1-855-248-0777.
Do you carry other Cal Spas circuit boards?
Yes. Western Tub and Pool carries an extensive range of Cal Spas circuit boards and replacement parts. Browse our full catalog online or contact us directly for assistance finding a specific board.
Can't Find Your Part? We Can Help.
Hard-to-find spa parts are our specialty. If you're not sure which circuit board fits your Cal Spa — or if your model isn't listed above — reach out to our team and we'll track it down for you.
To help us find the right part, please include:
Your hot tub's make and model name
Your spa's serial number (Cal Spas serial numbers follow the format: YYS-XXXXXX, where "YY" = year of manufacture)
Your existing circuit board chip number (if readable)
Photos of your current board and/or equipment bay
Email: fixmytub@gmail.com
Phone: 1-855-248-0777
Shop and Order at Western Tub and Pool
Get the Cal Spas C1000R1B Circuit Board (ELE09100000) shipped straight to your door. Whether you're a seasoned DIYer or tackling your first spa repair, our team is here to make sure you get the right part — the first time.
[Order Now] [Call 1-855-248-0777] [Email fixmytub@gmail.com]](https://cdn11.bigcommerce.com/s-b7yzllubsu/images/stencil/500x659/products/4435/6689/CSE09100000__26311.1784398883.PNG?c=2 "Cal Spas C1000R1B Circuit Board (ELE09100000) — Genuine Replacement Part
Your Cal Spa deserves a reliable fix. The Cal Spas C1000R1B Circuit Board (Part #ELE09100000) is the exact replacement control board your spa needs to get back up and running — managing your pumps, heater, and sensors with precision-engineered Balboa electronics.
Shop and order at Western Tub and Pool — call us at 1-855-248-0777 or email fixmytub@gmail.com.
[Shop Now] [Call Us: 1-855-248-0777]
Why Choose the Cal Spas C1000R1B Circuit Board?
OEM-Compatible Balboa Electronics
This board is manufactured by Balboa Water Group — one of the most trusted names in spa electronics. It delivers the same reliable control logic as your original board, with no guesswork and no retrofitting.
Complete Spa Control in One Assembly
The ELE09100000 consolidates your spa's core control functions into a single, robust PCB — coordinating your pump(s), heater, and sensors through an integrated power supply, relay system, and signal processor.
Built for Hot Tub Environments
Engineered to withstand the thermal fluctuations and voltage swings common in spa settings, this board is built tough for the long haul.
Direct Drop-In Replacement
Compatible with chip revisions C1000R1A and C1000R1B (note: newer revisions may end in any letter). Always verify your chip ID number before ordering.
New Condition
Every unit sold by Western Tub and Pool is brand new — not refurbished, not repaired.
Product Specifications
Specification
Detail
Part Number
ELE09100000
Chip Number
C1000R1B (also compatible with C1000R1A; newer revisions may end in any letter)
Balboa Part Number
50868
Brand
Balboa Water Group (for Cal Spas)
Model Series
C1000
Condition
New
Weight
Approximately 1.5 lbs
Warranty
30-Day Limited Warranty (Cal Spas)
Important Note: Physical board dimensions are not published by the manufacturer. If you need to confirm fitment, please send us a photo of your existing board — we're happy to help verify compatibility before you order.
Compatible Cal Spas Hot Tub Models
The C1000R1B Circuit Board (ELE09100000) is used across a wide range of Cal Spas hot tubs equipped with the C1000 control system, including models from the following series:
Escape Series
Pacifica EC-735L, Pacifica EP-761L, Pacifica EC-751L, Tropical EC-735B, Tropical EP-761B, Tropical EC-751B, Atlantic EC-835L, Atlantic EP-861L, Atlantic EC-861L, Bel Air EC-835B, Bel Air EP-861B, Malibu EC-754DL, Malibu EP-760DL, Windsor EC-852L, Windsor EP-860L, Avalon EC-864L, Avalon EP-864L, Cancun EC-864B, Cancun EP-864B, El Grande EC-947E, Newporter EC-948L
Patio Spa Series
Round PZ-511R, Balboa PZ-517L, Vista PZ-617T, Kona PZ-525L, Hawaiian PZ-621L, Pacifica PZ-722L, Tropical PZ-722B
Patio Plus Series
Balboa PPZ-525L, Vista PPZ-628T, Kona PPZ-537L, Hawaiian PPZ-631L, Pacifica PPZ-732L, Tropical PPZ-732B
Platinum Series
Pacifica PL-760L, Tropical PL-760B, Atlantic PL-860L, Bel Air PL-861B, Atlantic PL-880L, Bel Air PL-881B
Platinum Plus Series
Huntington PPL7L, Laguna PPL7B, La Jolla PPL8L, Carmel PPL8B
Swim Pro / Fitness Series
Fitness F-1222, Swim Pro F-1325, Freestyle F-1420, Freestyle F-1437, Champion F-1640, Olympian F-1770
Inground Spa Series
Round IG-401, Octagon IG-402, Square IG-403, Triangular IG-404, Octagon XL IG-405, Kidney IG-406, Round IGJ-401-16, Octagon IGJ-402-16, Square IGJ-403-26, Triangular IGH-404-16, Octagon XL IGJ-405-26, Kidney IGH-406-16
Not sure if this fits your spa? Check the chip number printed on your existing circuit board, and look for the Balboa 5-digit number on the white sticker (it always starts with \"5\"). Still unsure? Contact our team — we'll help you confirm the right part.
Frequently Asked Questions
How do I know if ELE09100000 is the right circuit board for my hot tub?
Check the chip ID number printed on your existing circuit board. If it reads C1000R1A, C1000R1B, or any other C1000R1 revision (ending in any letter), this board is your match. You can also look for the Balboa 5-digit white sticker number — it should read 50868. If you're still unsure, send us a photo of your old board to fixmytub@gmail.com and we'll confirm compatibility for you.
What does this circuit board control?
The C1000R1B board manages your spa's core functions — including pump operation, heater control, and sensor signal processing. It integrates a power supply, relay system, and signal processor into one compact assembly.
Is this a new part or a refurbished one?
This is a brand-new circuit board — not rebuilt or refurbished.
What is the warranty on this board?
Cal Spas offers a 30-day limited warranty on circuit boards. Please note that this part is non-returnable and is eligible for exchange under warranty only.
What if I can't find my part number?
No problem at all. Send an email to fixmytub@gmail.com with:
Your hot tub's make and model
Your spa's serial number
A photo of your existing circuit board (if available)
Our team will identify the correct part and get back to you promptly.
Can I install this circuit board myself?
Printed circuit board replacement instructions are available from Balboa Water Group. However, if you're not comfortable working with spa electronics, we recommend consulting a qualified spa technician. Have questions before you begin? Give us a call at 1-855-248-0777.
Do you carry other Cal Spas circuit boards?
Yes. Western Tub and Pool carries an extensive range of Cal Spas circuit boards and replacement parts. Browse our full catalog online or contact us directly for assistance finding a specific board.
Can't Find Your Part? We Can Help.
Hard-to-find spa parts are our specialty. If you're not sure which circuit board fits your Cal Spa — or if your model isn't listed above — reach out to our team and we'll track it down for you.
To help us find the right part, please include:
Your hot tub's make and model name
Your spa's serial number (Cal Spas serial numbers follow the format: YYS-XXXXXX, where \"YY\" = year of manufacture)
Your existing circuit board chip number (if readable)
Photos of your current board and/or equipment bay
Email: fixmytub@gmail.com
Phone: 1-855-248-0777
Shop and Order at Western Tub and Pool
Get the Cal Spas C1000R1B Circuit Board (ELE09100000) shipped straight to your door. Whether you're a seasoned DIYer or tackling your first spa repair, our team is here to make sure you get the right part — the first time.
[Order Now] [Call 1-855-248-0777] [Email fixmytub@gmail.com]")
