Hot tub parts guides

How to identify the pump, filter or heater you have and pick the right replacement.

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.