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The Grey Terminal Block for H2X is designed specifically to work with your H2X Swim Spa. Feed through up to 750V through this Terminal Block.

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 sensor assembly is specifically designed to go with Down East Spas and Legend Series Master Spas (select 1996-1999 models). It is a replacement for Balboa Dual Sensor Assembly with Temperature and Hi-Limit Sensor. Compatible with all Balboa systems that use this type of sensor.

This product is a pressure switch assembly specifically designed to go with select Down East and Legend Series Master Spas. If you don’t see your model listed, it may still work – so please give our customer service a call!

Elevate your aquatic experience with this water-resistant Bluetooth Speaker from Master Spas. Enhance your hot tub sessions with powerful 40W sound and bass boost. This spa-side speaker provides effortless wireless connectivity and a water-resistant design for seamless music streaming without cords or docking. Plus, your perfect soundtrack is always within reach thanks to 10-hour battery life.

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.

Introducing the hassle-free 8' x 14' Axis Swim Spa Cover designed specifically for H2X Crosstrainer 14 Spas. Engineered with rolling technology, this energy-efficient cover offers effortless operation, making it easier than ever to take on and off your swim spa cover. Available in dark gray Midnight. 

This is the five-inch nut that is a replacement part sold right here, through Master Spa Parts. This replacement piece measures five inches in diameter and works on several models within the 2005 Down East Spa series of home spas. Made of sturdy plastic this replacement part has a SKU number of X241054 and is designed to provide a tight fit in order to prevent leaks.

Spa circuit boards are among the most crucial pieces of equipment as they control the pumps, heaters, lights, and so many other essential functions. Master Spa Parts is proud to offer this Down East Spas Master Spa Circuit Board MAS460 PC Board (V/N 52551) at a terrific price. Why pay more? Get free shipping to most U.S. destinations — replace your MAS460 spa circuit board from the Master Spa Parts online store, today!

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!

The Sensor, 24” x ¼” F/560 M7 is a high limit temp replacement sensor for the MAS560 sensor found in most Down East and Legend Series Master Spas.

Don’t let a broken sensor prevent you from your enjoying your spa when you want to.

SpaBoss Prevent II is used to get rid of staining and scaling in your hot tub and prevents it from building up in the first place. This liquid is a concentrated and multi-purpose stain and scale treatment that is easy to add to any hot tub.