Rheem #57 Liquid Propane Digital Polymer Heater 399K BTU

The Rheem P-M406A Digital Polymer Pool/Spa Heater is fuel efficient and self diagnostic. On-board diagnostic controls let the user and the service professional know what is going on with the heater at all times. Rheem pool heaters provide year-round comfort for your pool or spa and are unmatched in features and benefits. They are designed to make your pool or spa the most comfortable place on earth.