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Increase oxygen content and get cleaner spa water in the process with Spa Ease Oxy Blast Shock.

The 70" x 83" Hot Tub Cover (Short-edge Fold) (SKU: 457187) is designed to fit your Master Spas® hot tub. This cover ensures extreme energy efficiency as it is made of a 1.5-pound foam density, six-inch thick foam insulation (which tapers to 4-inches along the sides), and a full-length heat seal to help prevent heat loss. Additionally, it is made of a high end marine-grade vinyl covering that is mildew treated, and consists of upgraded rubber grip handles.

Note: This particular cover folds along the shortest 70-inch edge. For a hot tub cover folding on the long edge, please see 83" x 70" Hot Tub Cover (Long-edge Fold).

The Grey Legend Neck Jet Pillow fits Legend Series Master Spas line of hot tubs from 2005 - 2009.

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.

All Purpose Cleaner from SpaEase

Have your lights, heaters, pumps, and other spa functions gone out all at once? Most likely the issue is either a fuse or your circuit board has failed. The folks at Master Spa Parts has this Master Spa Circuit Board MAS470 PC Board (V/N 52757) at a great discount. We dare you to compare our Down East Spas OEM boards with other online retailers!

Like all items priced at $99 or more, this Spa circuit board replacement for MAS470 comes with free shipping to all states, excluding Hawaii and Alaska.

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.

Proline Jet Line Cleaner clears your hot tub jets of all unwanted organics, oils, residue, dirt, minerals and biofilm. It's a great way to keep your hot tub jets clean, clear, and working properly!

The Shock Non-Locking for CoverMate III Eco B is one of the parts that make up this economically efficient choice for a hydraulic cover lifter. The Shock Locking connects to the shock itself. It is recommended that you do not use the CoverMate III Eco B during high winds as to protect the cover and the hydraulic cover lifter from possible damage.

Single Filter Housing for Swim Spas

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.

Several years ago, the manufacturer of Down East Spas discontinued this customer-favorite line of spas and hot tubs. Fortunately, Master Spa Parts still has a variety of spa parts to keep your spa or hot tub up and running. The 1-inch Air Control (Grey) is a quality replacement part for many of the 1999 series of Down East Spas hot tubs and spas.