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  • Marquis MTS II Circuit Board 600-6218 — Genuine Replacement Part Get your hot tub back up and running with a brand-new Marquis MTS II Circuit Board (600-6218). Built for reliable performance and an exact fit, this replacement part restores your spa's control system without the guesswork. [Shop and order at Western Tub and Pool] Why Choose This Circuit Board? Brand New Condition: No refurbished guesswork—this is a genuine, new circuit board ready for installation. Precise Compatibility: Engineered specifically for the Marquis MTS II control system, so you can trust the fit. Chip Number MTSIIR1C: Matches the original factory specification for dependable operation. Cross-Reference Ready: Also known by Balboa Number 51348, making it easy to confirm you're ordering the right part. NO/CC, 3-6 Filter Configuration: Supports both No Circulation Pump and Constant Circulation setups with 3-6 filter cycle capability. Compatible Hot Tubs & Models This circuit board is designed to work with the following Marquis Spas models: 1994 Crossing MTS II Euphoria MTS II Reward MTS II Secret MTS II Voyage Not sure if this is the right board for your spa? Check your part number, or send us a picture of your control panel along with your hot tub's make, model, and serial number, and we'll confirm the fit before you order. Part Details & Specifications Detail Information Part Number 600-6218 Brand Marquis Spas Model MTS II Chip Number MTSIIR1C Cross-Reference Balboa 51348 Condition New Note on dimensions and weight: Exact dimensions and shipping weight can vary slightly depending on regional warehouse stock. Contact our team at fixmytub@gmail.com or call 1-855-248-0777 for precise specifications before ordering. Frequently Asked Questions How do I know if this is the right circuit board for my hot tub? Check the part number printed on your existing circuit board. If you're unsure, send us a photo of the board along with your spa's make, model, and serial number, and we'll help confirm compatibility. What does "NO/CC" mean? NO/CC refers to No Circulation Pump or Constant Circulation configurations. This board supports both setups with a 3-6 filter cycle. Is this a new or used part? This Marquis MTS II Circuit Board (600-6218) is brand new, not refurbished or recycled. Do you carry related replacement parts? Yes. We stock a range of associated spa parts, including topside panels, heaters, and pump components that work alongside this circuit board. Browse our online catalogue or call us for personalized recommendations. Why does my part have a letter suffix (U, C, E, or A)? As an international e-retailer, Western Tub and Pool sources parts from warehouses around the world. To help you identify origin, we add a regional suffix: U (USA), C (Canada), E (Europe), and A (Asia). Some products may be duplicated across regions, so shipping times and costs can vary depending on which warehouse fulfills your order. Can't Find the Part You Need? Hard-to-find product? Don't worry—send us an email at fixmytub@gmail.com and our team will help track down the exact spa part you're looking for. If you already know your part number, double check it against your existing board. If not, simply send us pictures of your control panel along with your hot tub's make, model, and serial number, and we'll take it from there. Shipping, Returns & Exchanges We offer 30-day exchanges or store credit on eligible items. Please note that we do not provide refunds. Return Process: Customers are responsible for return shipping costs. Items must be returned within 30 days of purchase. Important Notes: All recycled items are final sale and cannot be returned or exchanged. Items must be in original condition to qualify for exchange or store credit. As an international e-retailer and distributor, we work with manufacturers around the world. Cross-border shipments may incur additional fees and tariffs imposed by your local government, which will be the responsibility of the package recipient. Ready to Get Your Spa Running Again? Don't let a faulty circuit board keep you out of your hot tub. Order your genuine Marquis MTS II Circuit Board 600-6218 today, or reach out to our team for help finding the exact part you need. Shop and order at Western Tub and Pool — call 1-855-248-0777 or email fixmytub@gmail.com.

    • Marquis MTS II Circuit Board

    Marquis Spa

    $628.03
    (No reviews yet) Write a Review
    SKU:
    600-6218-U
    UPC:
    600-6218
    Availability:
    Ships from U.S
    Width:
    6.00 (in)
    Height:
    4.00 (in)
    Depth:
    4.00 (in)
    Adding to cart… category.add_cart_announcement

    Product Description

    600-6218.png

     

    Marquis MTS II Circuit Board 600-6218 — Genuine Replacement Part

    Get your hot tub back up and running with a brand-new Marquis MTS II Circuit Board (600-6218). Built for reliable performance and an exact fit, this replacement part restores your spa's control system without the guesswork.
    [Shop and order at Western Tub and Pool]

     

    Why Choose This Circuit Board?

    • Brand New Condition: No refurbished guesswork—this is a genuine, new circuit board ready for installation.
    • Precise Compatibility: Engineered specifically for the Marquis MTS II control system, so you can trust the fit.
    • Chip Number MTSIIR1C: Matches the original factory specification for dependable operation.
    • Cross-Reference Ready: Also known by Balboa Number 51348, making it easy to confirm you're ordering the right part.
    • NO/CC, 3-6 Filter Configuration: Supports both No Circulation Pump and Constant Circulation setups with 3-6 filter cycle capability.

     

    Compatible Hot Tubs & Models

    This circuit board is designed to work with the following Marquis Spas models:

    • 1994 Crossing MTS II
    • Euphoria MTS II
    • Reward MTS II
    • Secret MTS II
    • Voyage

    Not sure if this is the right board for your spa? Check your part number, or send us a picture of your control panel along with your hot tub's make, model, and serial number, and we'll confirm the fit before you order.

     

    Part Details & Specifications

    Detail

    Information

    Part Number

    600-6218

    Brand

    Marquis Spas

    Model

    MTS II

    Chip Number

    MTSIIR1C

    Cross-Reference

    Balboa 51348

    Condition

    New

    Note on dimensions and weight: Exact dimensions and shipping weight can vary slightly depending on regional warehouse stock. Contact our team at fixmytub@gmail.com or call 1-855-248-0777 for precise specifications before ordering.

     

    Frequently Asked Questions

    How do I know if this is the right circuit board for my hot tub?

    Check the part number printed on your existing circuit board. If you're unsure, send us a photo of the board along with your spa's make, model, and serial number, and we'll help confirm compatibility.

    What does "NO/CC" mean?

    NO/CC refers to No Circulation Pump or Constant Circulation configurations. This board supports both setups with a 3-6 filter cycle.

    Is this a new or used part?

    This Marquis MTS II Circuit Board (600-6218) is brand new, not refurbished or recycled.

    Do you carry related replacement parts?

    Yes. We stock a range of associated spa parts, including topside panels, heaters, and pump components that work alongside this circuit board. Browse our online catalogue or call us for personalized recommendations.

    Why does my part have a letter suffix (U, C, E, or A)?

    As an international e-retailer, Western Tub and Pool sources parts from warehouses around the world. To help you identify origin, we add a regional suffix: U (USA), C (Canada), E (Europe), and A (Asia). Some products may be duplicated across regions, so shipping times and costs can vary depending on which warehouse fulfills your order.

     

     

    Can't Find the Part You Need?

    Hard-to-find product? Don't worry—send us an email at fixmytub@gmail.com and our team will help track down the exact spa part you're looking for.
    If you already know your part number, double check it against your existing board. If not, simply send us pictures of your control panel along with your hot tub's make, model, and serial number, and we'll take it from there.

     

    Shipping, Returns & Exchanges

    We offer 30-day exchanges or store credit on eligible items. Please note that we do not provide refunds.
    Return Process:

    • Customers are responsible for return shipping costs.
    • Items must be returned within 30 days of purchase.

    Important Notes:

    • All recycled items are final sale and cannot be returned or exchanged.
    • Items must be in original condition to qualify for exchange or store credit.
    • As an international e-retailer and distributor, we work with manufacturers around the world. Cross-border shipments may incur additional fees and tariffs imposed by your local government, which will be the responsibility of the package recipient.

     

     

    Ready to Get Your Spa Running Again?

    Don't let a faulty circuit board keep you out of your hot tub. Order your genuine Marquis MTS II Circuit Board 600-6218 today, or reach out to our team for help finding the exact part you need.
    Shop and order at Western Tub and Pool — call 1-855-248-0777 or email fixmytub@gmail.com.

     

     

    Other Details

    Shipping , Returns & Exchanges We offer 30-day exchanges or store credit on eligible items. Please note that we do not provide refunds. Return Process: Customers are responsible for return shipping costs Items must be returned within 30 days of purchase Important Notes: All recycled items are final sale and cannot be returned or exchanged Items must be in original condition to qualify for exchange or store credit Electronic and electrical items should be installed by competent personnel . Warranty on these products when offered are scrutinized by the manufacturer and only approved by the manufacturer and deemed not to have been installed . As an international e-retailer and distributor, we work with manufacturers around the world. Please note that cross-border shipments may incur additional fees and tariffs imposed by your local government, which will be the responsibility of the package recipient .warehouses shipping from U.S.A have U suffix on them . Canada have a C suffix . Europe Have an E Suffix . Asia have an A Suffix.

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