Master Spas hot tub parts

Master Spas owners commonly replace filters, pump wet ends, heater assemblies, and topside panels. Check the label on the control box for the pack model and the board part number before ordering electronics. Match filters by dimensions and end caps, and pumps by the motor label.

Common control systems: Balboa

Replacement parts compatible with Master Spas hot tubs. AskTub is not affiliated with Master Spas.

We're still adding these to the store. Ask AskTub which part you need and we'll point you to it.

Before you buy

Hot tub heater element and heater replacement basicsHot tub heaters fail from low pH, scale, or running dry. Learn the signs, element vs full heater assembly, and how to match kW, voltage, and size.How to find the right replacement hot tub filterFind a replacement hot tub filter by its part number, or measure length, diameter, and end caps. Pleatco, Unicel, and Filbur numbers cross over.Which hot tub pump do I have? How to read the pump labelRead the motor label for volts, amps, speeds, and frame (48 or 56), then measure the unions. That identifies the right replacement spa pump.