The Raypak 014781 PR106AAPC 105,000 BTU Propane Gas Pool Heater is designed for above-ground pools and hot tubs. It features a polyester-coated, non-corrosive cabinet, an all-copper-fin-tube heat exchanger, and an easy-to-use analog control dial. The heater delivers uninterrupted heating performance regardless of weather conditions and includes a 3-foot power cord for convenient installation. With a 105,000 BTU input and compatibility with 110V or 240V electrical supply, this pool heater can help extend your swimming season. Polyester-Coated, non-corrosive external cabinet for added durability Doesn’t require fans to combat drafting problems Delivers uninterrupted heating performance regardless of falling leaves, wind, airborne debris, rain, downdrafts, updrafts, sleet, snow, etc. Polymer headers prevent rust stains on your pool or spa surface All-Copper-Fin-Tube Heat Exchanger made from a single piece of extruded copper Easy to use analog control dial Electronic ignition only generates a pilot when there is a call for heat Includes a 3 foot long, 3 prong power cord for convenience (can also be hard wired) 2″ Plumbing with flange connections for a solid connection Automatic water bypass to enable the heater to handle different Gallons Per Minute without having to adjust the flow rate manually Ceramic fiber combustion box keeps the heat in and the outside panels of the heater cool Won’t retain residual heat after the heater is turned off Operates on Propane Requires 110 Volt or 240 Volt Electrical Supply 6″ Indoor Stack for ventilation when installed indoors 105,000 BTU Input For use in elevations of 0 to 1999 feet