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The 84" x 94" Hot Tub Cover is a Master Spa Factory OEM replacement (SKU: x458494). 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 unfazed by UV rays.

Note: This particular hot tub cover folds along its shortest dimension (the 84" side).

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 Master Spa Factory OEM 79" x 69" hot tub cover replacement (SKU: 457969) is specifically designed to fit your Master Spas® hot tub. This cover ensures energy efficiency 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. 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 79" x 69" hot tub cover folds along the long edge. 

Your air control helps to regulate the amount of air and water jetted into the tub of your hot tub or spa. A malfunctioning air control valve can drastically reduce the performance and your enjoyment of your spa. Master Spa Parts has the perfect solution.

The DSG LED Lit Air Control 2009 replacement part can help bring back the function of your H2X Swim Spas, Michael Phelps Swim Spas, or Twilight Series of spa or hot tub.

Whether by chemical intrusion, moisture, or temperature fluctuations, circuit boards can and will fail. This may cause essential features, such as the spa lights, heaters, jets, and emergency shut-offs to not function as they should.

Savings, quality parts, and great service is what you can expect when replacing a circuit board, including this 5000 Daughter Board for Legend Series™ hot tubs by Master Spas®. This MS5000 external PCB (V/N 53544) and others priced $99 and over also qualify for fast and free shipping to buyers in the Continental United States.

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 8' x 11' (94'' x 132'') Master Spas® swim spa replacement cover is a Master Spa Factory OEM replacement part. All swim spa covers are made specifically to fit your Master Spas swim spa and come 6" thick in the middle and taper off to 4".  This cover includes an energy efficient 1.5 lb foam density and a 24 R-value, with a full length heat seal and upgraded rubber grip handles (included!). They are also available in 18 different colors to match the aesthetic of your hot tub area.

The 8' x 12' (94'' x 144'') Master Spas® swim spa replacement cover is a Master Spa Factory OEM replacement part (SKU: X454128). All swim spa covers are made specifically to fit your Master Spas swim spa and come 6" thick in the middle and taper off to 4".  This cover includes an energy efficient 1.5 lb foam density and a 24 R-value, with a full length heat seal and upgraded rubber grip handles (included!). They are also available in 18 different colors to match the aesthetic of your hot tub area.

The 14.5' x 8' (94" x 174'') Master Spas® swim spa replacement cover is a Master Spa Factory OEM replacement part. All swim spa covers are made specifically to fit your Master Spas swim spa and come 6" thick in the middle and taper off to 4".  This swim spa cover includes an energy efficient 1.5 lb foam density and a 24 R-value, with a full length heat seal and upgraded rubber grip handles (included!). They are also available in 18 colors to match the aesthetic of your hot tub area!

The 8' x 17' cover (94" x 201") Master Spas® swim spa replacement cover is a Master Spa Factory OEM replacement part. All swim spa covers are made specifically to fit your Master Spas swim spa and come 6" thick in the middle and taper off to 4".  This cover includes an energy efficient 1.5 lb foam density and a 24 R-value, with a full length heat seal and upgraded rubber grip handles (included!). They are also available in 18 different colors.

The 8' x 15' (94" x 180") Master Spas® swim spa replacement cover is a Master Spa Factory OEM replacement (SKU: x454158). All swim spa covers are made specifically to fit your Master Spas swim spa and come 6" thick in the middle and taper off to 4".  This cover includes an energy efficient 1.5 lb foam density and a 24 R-value, with a full length heat seal and upgraded rubber grip handles (included!). They are also available in 18 different colors!

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.