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This replacement OEM factory direct coupler insert is a long part used to lengthen your raise and lower bar for your hot tub cover.

Spas and hot tubs that operate with a failing circuit board put the whole works (and your safety) at risk. We can help bring back the enjoyment of your spa — order this MS501S circuit board replacement and receive free shipping to all addresses in the "Lower 48".

Delight your senses with the zesty, citrus scent of Lime Basil Mandarin Spa Crystals. Simply add one scoop to complete your spa experience!

Connect your audio system to the controller of your Master Spa hot tub using this stereo adapter. Order the stereo adapter you need for your Master Spa controller today. 

Poly Jet

Spa circuit boards play a part in nearly every essential function of your spa or hot tub, everything from jets and temperature controls, to the safety switch-offs and lighting. So, when a board fails, you will likely see decreased function right away. Master Spa Parts aims to stock common and rare types of replacement circuit boards, including this MS2000 PC Board (V/N 52959) for Down East Spas and other brands.

If you're located in the Lower 48, you can also take us up on our free shipping offer on this printed circuit board replacement for MS2000 and many others found in our online store.

Don’t allow a broken pump to spoil your hot tub fun ! The Center Discharge, 120V Aqua-Flo Circ Pump is a replacement OEM pump designed for select Down East Spas and Legend Series Master Spas. Manufactured by world renowned Emerson.

This product replaces x321791 (There may have to be plumbing done or the original pump mounts moved in order to get this pump to replace the x321791).

Spa heaters, automated systems, lights, and salt-water chlorinators all depend on a functional circuit board. With Master Spas®' MS50 U PC board, you can bring back the functionality of your spa or hot tub. Get this MS50 PCB fast and free from the Master Spa Parts warehouse when you order from our online store.

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.

This right support arm for the CoverMate III is a powder coated replacement pivot arm of the original on your hot tub cover.

*To determine if this is the correct replacement arm you need, look at your cover in the open position. While facing the spa and open cover lifter, the right arm is on the right side.*

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.

Measure the chemical balance of your hot tub water with AquaChek Spa 6-in-1 Test Strips in 15 seconds.

• Count: 50 test strips
• Tests for: Total Chlorine, Total Bromine, Free Chlorine, Total Alkalinity, pH and Total Hardness.