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Over time, your spa or hot tub’s air controls may wear out, leaving you with less jetting action and much less enjoyment and relaxation. With the 1 Inch Molded Air Control (Grey), Master Spa Parts customers can affordably replace their air controls. This part is compatible with many models of Down East Spas, Freedom Spas, and the Master Spas® Legend Series.

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.

*Due to a nationwide shortage of chlorine, prices have increased and supply is very low.*

Spa Ease Oxy Blast can be used as a substitute.

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SpaBoss Spa Shock (7lb.) is a non-chlorine shock, that is the key to keeping your chlorine or bromine sanitizers working like they should. It will help to get rid of the nasty residue from soap, oils, deodorants, and other organic materials that get into hot tubs from regular use. Comes in a 7lb. container.

Air Barb

SpaBoss Restore quickly and easily cuts through grime to clean and protect your vinyl hot tub cover. Protect your cover from damage caused by UV rays, dirt, and the elements with easy application a few times a year.

5 inch Directional with O Grey / Black

The Black Lounge Pillow fits with many Down East Spas to replace the lounge pillow originally made with the older hot tubs (2003-2009).

Once you have the SmartBar hot tub bar installed it’s impossible to go back to the old ways. Just picture always having your favorite drink, smartphone, or e-reader just a reach away. This spa-side bar installs easily and comes with everything you need to set up your soon-to-be favorite hot tub accessory.

39" L X 14" W

The combined Bluetooth Stereo & Subwoofer with remote from Aquatic AV brings a fuller and richer sound to your hot tub or swim spa. Upgrade your spa experience with a 288-W amplifier capable of supporting four full-range speakers.

The Wrap Around Pillow from Master Spa is a larger pillow that wraps around the corner of your hot tub.

SpaBoss No Phos is phosphate control for your spa – a naturally formulated additive that helps to remove phosphates from your spa water – keeping it clean and clear! (16 oz. bottle)

BWG Heater Plug N Click Adapter

This adapter eliminates the copper straps going from the heater to the circuit board. 

**This needs to be used on all heaters that come with the plug that is already attached. Removing the plug on the heater will void the warranty.**