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- Heater Gasket O-Ring for Master Spas X801765
- Flo master 1.5 hp single speed spa pump 120 volts
- FLOATING SPA COVER - 8 FT X 8 FT
- Foam divider between hot tub and swim spa
- heater for 2015 Master Spas Twilight series Hotub
The 7x7 Master Spas® hot tub replacement cover (84” x 84”) is a Master Spa Factory OEM replacment (SKU: X454777).
This cover fits other makes of Master Spa, and is the standard at 84" x 84" with a 6" radius.
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 and unfazed by UV rays.
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).
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!


























