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Product Description
Genuine Marquis MQL15UR1 Circuit Board 600-6302
Keep your Marquis Signature Series spa running strong with a genuine replacement MQL15UR1 circuit board (part 600-6302). Engineered for stable, efficient performance, this board restores accurate temperature regulation, reliable pump operation, and consistent heater activation—so your hot tub works exactly the way it should.
Shop and order at Western Tub and Pool
Why Choose This Circuit Board?
OEM-Grade Reliability
Built to restore your spa's temperature regulation, pump operation, and heater activation to factory-fresh performance.
Straightforward Installation
Designed as a direct replacement, making it easier for technicians and hot tub owners alike to get their spa back up and running.
Trusted Cross-Reference
Also known as MRQ600-6302 and MS-600-6302, with chip numbers MQL15UR1(x) and MQL15UR2B, and board number 56097-02. Replaces Balboa 56097.
Long-Lasting Durability
A dependable choice for anyone seeking consistent, long-term spa performance.
Compatible Hot Tub Models
This circuit board is used in all 2011-2012 Marquis Signature Series spas, EXCEPT the Show model, including:
- Rendezvous
- Spirit
- Mirage
- Wish
- Resort
- Promise
- Epic
- Reward
- Euphoria
Not sure if this is the right board for your spa? Check your part number or send us your hot tub's make, model, and serial number and we'll confirm the right fit for you.
Cross-Reference & Compatible Controls
- Part Numbers: 600-6302, MRQ600-6302, MS-600-6302
- Chip Numbers: MQL15UR1(x), MQL15UR2B
- Board Number: 56097-02 (MQL15U EL 1500)
- Balboa Cross-Reference: 56097
- Compatible Control System: Balboa EL 1500
Related Repair Parts
Pairs well with these commonly replaced Marquis spa parts:
- Marquis Spa 600-6293 Circuit Board (LZM2UR1B) – for 2006 and newer models
- Marquis Spa MQBP20UX-BS Circuit Board (600-6315) – for 2013-2019 Signature Series
- Marquis Circuit Board 600-6304
- Marquis topside control panels and overlays
- Marquis spa sensors and heaters
Frequently Asked Questions
What is the MQL15UR1 Circuit Board used for?
It's a replacement control board for Marquis Signature Series hot tubs, responsible for managing your spa's temperature regulation, pump operation, and heater activation.
Which Marquis models use part 600-6302?
It's compatible with all 2011-2012 Marquis Signature Series spas, except the Show model. This includes Rendezvous, Spirit, Mirage, Wish, Resort, Promise, Epic, Reward, and Euphoria.
How do I know if this is the right board for my spa?
Check the part number etched on your existing board, or send us a picture along with your hot tub's make, model, and serial number, and our team will confirm compatibility.
What are the dimensions and weight of this circuit board?
Dimensions and shipping weight vary slightly depending on regional stock. Contact us at fixmytub@gmail.com or call 1-855-248-0777 for exact specifications for your order.
Do you offer support if I can't find the part I need?
Yes! Our team specializes in tracking down hard-to-find hot tub and spa parts. Just reach out and we'll help you locate the right one.
Hard-to-Find Part? We Can Help.
Can't find the exact part you're looking for? Send us an email at fixmytub@gmail.com and our team will track it down for you.
As an international e-retailer, Western Tub and Pool sources parts from warehouses across multiple regions. Because of this, the same part may be available from different locations—and shipping will vary accordingly. To make this easier, we've added regional suffixes to our part numbers:
- U = USA
- C = Canada
- E = Europe
- A = Asia
Please note that some products may be duplicated across regions under different suffixes.
Not sure which one you need? Check your part number if you have it, or send us photos along with the make, model, and serial number of your hot tub, and we'll help you find the exact match.
Get Your Spa Back Up and Running
Shop and order at Western Tub and Pool
Questions? Call us at 1-855-248-0777 or email fixmytub@gmail.com
