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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.

The 2 Inch Diverter Rotor Assembly by Master Spas is a replacement piece for your home spa’s original rotor. The rotors in your spa help control the flow of water in your spa, so keeping up with their maintenance is important. When you keep your rotors working well, you’re in control of your spa experience.

A spa circuit board is the "brains" behind your spa, controlling jet flow, filtration systems, water temperature, as well as the unit's high-limit sensors. Master Spa Parts offers a number of replacement circuit boards.

Weir Door for 50 Sq Ft. single filter housing doors on swim spas 

Only Master Spa Parts carries the best decal for Twilight Spas’ touch panel at a price that is affordable. With beautiful graphics encased in a waterproof laminate shell, your Spa Touch Panel Overlay for Twilight Spas will return your Twilight Spas hot tub or spa’s touch panel back to its former pristine condition.

The Handrail Pad not only provides comfort to your hands when entering or exiting your home spa, but it adds safety as well. This replacement piece is easy to install and is made of sturdy, black plastic. It works with a variety of models within the H2X Swim Spas and the Michael Phelps Swim Spas series.

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!

Water can be rough on speakers. The 6.5-inch 2-way marine speakers are ready to take on whatever your Master Spa Hot Tub Series will throw at it.

Customers will enjoy clarity of audio and can rest assured that these speakers will not be destroyed by sun or an the occasional accidental splash of water.

*Due to a nationwide shortage of chlorine, prices have increased.*

(BioLab, one of the countries major suppliers of chlorine tablets, was destroyed by Hurricane Laura - contributing to the already lacking nationwide chlorine supply.)

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SpaBoss Chlor-Aid - 5lb. container is a great way to disinfect your hot tub water and keep it algae free! This chlorine product is a great way to disinfect your spa water while keeping your alkalinity balance and pH in line!

This is the replacement headrest for the Legend Series Pillow Filter Lid, sold here by Master Spa Parts. This replacement headrest is 23 inches wide and works with a variety of models in the Legend Series of home spas. This headrest comes in light grey and includes two cup holders. This replacement part will ship for free throughout the continental U.S. when included in an order of $99 or more.

You can do just about everything with your smartphone or tablet these days — even control your outdoor Master Spas spa. The Wi-Fi Module from Balboa Water Group® is perfect for those chilly nights when you’d rather run outside and leap right into a spa that’s all ready for you — now you can with this spa Wi-Fi control!

Wi-Fi Module is compatible with both iOs (Apple) and Android devices.

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.