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The 78" x 66" Hot Tub Cover (Long-edge Fold) is an exact Master Spa Factory OEM replacement. It is specifically designed to fit your Master Spas® hot tub. This cover is extremely energy efficient, as it's 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. It has been upgraded to include two rubber grip handles and is made of a high quality marine-grade vinyl covering that is mildew treated.

Note: This particular cover folds along the longer 78" edge. If you need a cover with these same dimensions (66" x 78") but that folds along the short edge, try our 66 × 78 Inch Hot Tub Cover (Short-edge fold).

This 4.0 kW heater that is easily installable so you can get back to enjoying your heated swim spa or hot tub in no time at all. 

**REMOVING THE PLUG N CLICK OR EYELET CABLE FROM THE HEATER WILL VOID THE MANUFACTURES WARRANTY**

This 4.0 kW heater that is easily installable so you can get back to enjoying your heated swim spa or hot tub in no time at all. 

**REMOVING THE PLUG N CLICK OR EYELET CABLE FROM THE HEATER WILL VOID THE MANUFACTURES WARRANTY**

Hot tubs and spas that are operated with a faulty circuit board in place run the risk of damaging equipment or causing a fire. Master Spa Parts' online store offers a number of competitively priced replacement boards, including this Master Spas® Circuit Board MAS260 PC Board (V/N 53516).

Our online store offers free shipping on orders over $99 and this MAS260 Legend Series™ spa circuit board replacement part is no exception — order yours today!

The 66" x 78" Master Spas® factory direct OEM replacement hot tub cover (SKU: 66x78) is designed to fit your Master Spas hot tub. It comes standard with a 1.5lb foam density, long steam stopper cushions to help prevent any sort of heat loss. It has been upgraded to include two rubber grip handles and is made of a high quality marine-grade vinyl covering that is mildew treated and unfazed by UV rays.

Note: This particular cover folds along the short edge. If you need a cover with these same dimensions (66" x 78") but that folds along the long edge, try our 66 × 78 Inch Hot Tub Cover (Long-edge fold).

This 5.5 kW heater that is easily installable so you can get back to enjoying your heated swim spa or hot tub in no time at all. 

**REMOVING THE PLUG N CLICK OR EYELET CABLE FROM THE HEATER WILL VOID THE MANUFACTURES WARRANTY**

The custom factory OEM replacement 120” x 94” Master Spas® swim spa tub cover (SKU: X454108) is specifically designed to fit your Master Spas® hot tub. This swim spa cover has a six-inch thick foam insulation, which tapers down to four inches along the sides. This 24 R-value (the higher the R-value, the better the heat retention) energy-efficient cover comes with a 1.5lb foam density and long stopper steam cushions that help prevent heat loss, and upgraded rubber grip handles.

Note: This four-segment swim spa cover folds along the longest dimension (the 120" side).

Cover Valet Cover Caddy Extension

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.

Replacement support arm for the CoverMate I Eco B and the inner support arm for the CoverMate Freestyle.

SpaBoss Descummer boosts the effectiveness of the filtration system in your spa or hot tub, helping to keep the water clean and free of left-over contaminants.

SpaBoss Cal-Rise is the easiest way to increase calcium hardness levels in your hot tub water. Protect your spa or hot tub and the many working parts within the plumbing and heating system by keeping the water chemistry correctly balanced at all times.