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The Bussman Fuse Holder (Series CHM) is a fuse holder for your Swim Spa Junction Box. Multiple fuse folders can be grouped together and used for even bigger boxes.

Whether by chemical intrusion, moisture, or temperature fluctuations, circuit boards can and will fail. This may cause essential features, such as the spa lights, heaters, jets, and emergency shut-offs to not function as they should.

Savings, quality parts, and great service is what you can expect when replacing a circuit board, including this 5000 Daughter Board for Legend Series™ hot tubs by Master Spas®. This MS5000 external PCB (V/N 53544) and others priced $99 and over also qualify for fast and free shipping to buyers in the Continental United States.

This is the shaft nut replacement part is associated with other home spa items that make up the Standard Wave Propulsion. This replacement piece is made of quality plastic and metal and has a SKU number of X400140. This shaft nut is associated with other home spa items that make up the Standard Wave Propulsion.

MS Auxiliary Button, TV Lift (V/N 52805)

MS Auxiliary Button, Pump 2 (V/N 52804)

MS1500 Auxiliary Button, Pump 2 (V/N 52385)

MAS50A Auxiliary Button, Pump 2, (V/N 52179)

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.

The Spa Dragon is a patented monitoring system with thermal backup protection that prevents freeze damage caused by equipment failure. Stay worry-free in winter, with real-time alerts and automatic heating activation—no matter where you are.

Choosing the right filter for your spa is one of the best ways to keep your spa water clean and clear. Pleatco® filter PMA40L-F2M also help your hot tub's pumps and other mechanical functions work efficiently. With this skimming filter, Master Spa Parts is helping customers extend the lifetime of their spas and get a great deal. Pick up your replacement filter, today!

MS Silver Auxiliary Button, Pump 2 (V/N 52804SL)

The heater gasket o-ring is a replacement part for the o-rings that come with your spa and support the heater gasket so that there is a tight fit. If you don’t see your model listed, it may still work – so please give our customer service a call!