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The Master Spas® hot tub replacement cover 70" x 84" is an exact Master Spa Factory OEM replacement (SKU: X457084). 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 and protects against UV rays.
Note: This particular hot tub cover folds along the short edge. Find the corresponding long-edge fold cover here.
This Master Spa Factory OEM 78” x 78” hot tub cover replacement (SKU: X120240) is specifically designed to fit your Master Spas® hot tub. This cover is energy efficient as it consists 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. It is also made of a high end marine-grade vinyl covering that is mildrew treated, and consists of upgraded rubber grip handles.
If you've pinpointed your spa's issue to the circuit board, replacing your board can bring back many essential functions and safety features, such as your lights, heat sensors, high-limit sensors, and jet pumps.
At Master Spa Parts, we're proud to carry a diverse selection of circuit boards, including this Master Spas® circuit board, sold under the product name of "Master Spas® Circuit Board MAS400 PC Board (V/N 52185)" in our online store.

























