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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).

The Pump Pad is your key to a quieter running spa/hot tub. Mount your pump on the pad to prevent transmission of the noise and vibration from the motor in your pump. Works well with pumps on most models.

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!

Designed specifically for preventing fasteners from coming loose after they are tightened, the ⅜’’ SS Split Lock Washer from Master Spa Parts is the perfect choice for fastening essential components of your spa.

This 7.5' x 13' Swim Spa Cover for your H2X Therapool swim spa is a folding cover for your swim spa! This cover is extremely easy to operate and it makes taking on and off your swim spa cover easier than ever.

The CoverCatch helps keep your spa cover close by and off the ground! It is ideal for smaller sizes spas and covers.

Designed for outdoor projects that involve a wood-to-wood connection. Keep the parts of your spa well-fastened and ensure safe use.

The zero-mount spa safety rail by Leisure Concepts set out to prove that even something as seemingly basic as a spa safety rail can be improved upon. With the Safe-T-Rail II, you will not have to drill any holes into your hot tub to install the until.

This product comes with free shipping to the Continental United States from Master Spa Parts!

The 1/4-20 Threaded Insert for Wood from Master Spa Parts are threaded nuts that can be hammered or screwed into material. Used in a pre-drilled hole to provide an extra secure hold between your spa skirting parts.

3/8" x 1.5" Fender Washer used on the propulsion system in the swim spas. The 3/8" x 1.5" Fender Washer from Master Spa Parts has a thinner body compared to the flat washer and provides an even wider surface area of support for fasteners.

The 4.0kW Heater (V/N 50143) is a replacement part for selected models of the Down East Spas and Legend Series Master Spas

Easily installable so you can get back to enjoying your heated Swim spa and hot tub in no time at all.

General use 5/16 SS Washer from Master Spa Parts. This unit goes underneath fasteners on your spa/hot tub to keep components of your propulsion system intact.