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This is a copper jumper strap normally used with the ground wires in the spa. These are mounted on the back of the pumps connecting the ground wire. Is part of the connections from the heater to the PC Board.

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.

Keep your entertainment system protected from the elements and theft with this universal lock and key set. Can work as a replacement for your original lock on your spa’s entertainment system.

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.

Stainless steel 3/8" Hex Nut is designed to be used on the fastening components of your spa propulsion system. Stay safe and keep your spa components from coming apart.

Designed for adding a beautiful finish to your spa, the expresso oversized snap cap goes over the screws that hold your spa side panels on. This unit is a dark espresso color.

Powerful radio reception with our standard FM antenna. This is a standard dipole indoor FM radio/stereo receiver that can be installed with your radio system to allow you to receive clear-sounding AM/FM broadcasts.

Enjoy music in your spa with the ambience of lights the Flush Mount LED Speaker provides. Easily installable on Master Spa hot tubs/spas.

Durable latching Piezo Switch allows customers to easily control the power supply to devices. Lighted switch tells the customer that an electric pulse is being generated and vice versa. Waterproof and especially designed to work with Master Spa hot tub series

The 108" x 94" Master Spas® replacement hot tub cover (SKU: X454994) is designed to fit your Master Spas® hot tub. This OEM factory hot tub cover comes with a 1. lb foam density, upgraded rubber grip handles and long steam stopper cushions to help prevent heat loss and make it extremely energy efficient!

Note: This cover folds along its longest dimension. 

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.

The Master Spa’s Grey Pop-up Speaker is a replacement for the speakers on your Master Spa series. Enjoy masterful sound as if you the band was playing right near your tub.