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![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/1280x1280/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 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/100x100/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]")
Product Description
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 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]")
