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Temperature Sensor Mount. Used in older style Master Spas to secure the flow sensor to the spa. A new mount should always be installed when you are replacing your spa sensor unit.

This mount should fit with most sensors.

The pressure switch in your spa controls the water pressure in your spa. The pressure switch harness is a replacement part for the original pressure switch harness that allows the pressure switch to be connected to the controls of your spa.

Designed specifically for 2015 Michael Phelps Swim Spas this sensor is a replacement for the sensor in your spa’s heating system allowing you to control the heat of your spa from the external control panel. If you don’t see your model listed, it may still work – so please give our customer service a call!

MS 50 U Control Pack

Washer for the regular sized Snap Caps. These are the beauty caps that cover the screws that hold your side panels on providing your spa with a professional beautiful finish.

1/4 inch Washer for Oversized Snap Cap. These are the beauty caps that cover the screws that hold your side panels on. Available in 2 different sizes and 3 different colors.

The 3/8 x 1/4 inch Threaded Barb. This threads into the pump for the constant water feed to your spa pump. Only used on some model pumps.

Call us to verify that this is the right part for your pump.

The O-Ring for Power WOW Drain Plug is the O-ring that goes with the drain plug for the Pentair Power WOW pump (SKU : X275230).This creates a tight seal for wet end drain.

The Master Diverter Valve Handle is a genuine oem replacement part for your Master Spas hot tub. Diverter valves are made to redirect the water from your spa into different directions, as well as fully (or partially) shutting off your hot tub water flow. This specific diverter valve has a 2”inch handle and has an all over width of 4.5” inches.

The Drain Plug for Power WOW is a wet end drain plug for the Pentair Power WOW. This part does not come with an O-ring. The part allows the pump to be drained of stagnant water so protect it from damage and to keep it running for as long as possible.

The Charge Filter Set — or, as well like to say, "Go away, algae and bacteria!" kit — features one EcoPur® Charge filter (SKU: X268532) for neutralizing bacteria and biofilm, as well as the Outer Filter (SKU: X268550), a high-performance mineral filter from Pleatco®.

Remember: a healthier, happier spa starts with the right filters — pick up your EcoPur® Charge and Pleatco® mineral filter kit today!

Do you have one or more air controls that are causing you trouble in your hot tub or spa? This 1-Inch Air Control 2008 replacement part from Master Spa Parts can bring back the enjoyment of your hot tub. This spa air control replacement is suitable for the 2008 and 2009 models of Polaris, Fiji, and H2X Therapool spas.