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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.
Don't let a failed circuit board shut down the fun and relaxation in your spa or hot tub. Through the Master Spa Parts online store, you’ll discover great savings and high-quality OEM replacement circuit boards, such as this MS1500 PC Board (V/N 54494). Plus, you will get it fast and with free shipping (most U.S. addresses) when you replace your spa’s circuit board (MS1500) through us!
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)








