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- spa cover 93" x 118"
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When it comes time to replace your circuit board and return function to your spa's lighting, jet pumps, and high-limit sensors, we've got you covered. Master Spa Parts has numerous legacy Whirlpool® replacement circuit boards in stock, including this MAS520 PC Board (V/N 54357).
Are you ready for the good news? This legacy Whirlpool® circuit board replacement for MAS520 ships fast and with free shipping to all addresses in the Continental United States.
As an all-in-one spa and hot tub treatment kit, the SpaBoss Hot Tub Chemical Starter Kit has everything you need to get your spa or hot tub up and running — and ensure it is always safe and ready to use. As a six-piece hot tub treatment kit, it’s quite an economical option, too!
The Hot Tub Chemical Starter Kit (SKU: X777700) includes:
- Granular pH Plus (1.5 lbs)
- Granular pH Minus (2 lbs)
- Granular Non-Chlorine Shock (2 lbs)
- Granular Chlor-Aid (2 lbs)
- Liquid Prevent II (16 oz)
- AquaChek Test Strips (50 Strips)
Have you narrowed down your hot tub's issue to the circuit board? Are there visible scorch marks on the board? We can help! Master Spa Parts offers a number of OEM circuit board replacements, such as this MAS 425 Value Series™ Circuit Board V/N: 54161 from Master Spas®. Plus, when you purchase this MAS 425 spa circuit board replacement from Master Spa Parts, you can count on free shipping to all locations within the Continental United States.








