TPI Corporation RPH2-5A Pump House Heater, 500 Watts, 240 Volts, Epoxy Gray, Freeze Protection in Pump Houses, Utility Rooms, etc, 30-140 Degree F Built-in Thermostat Aluminum Finned Heating Element Powder Coated Epoxy Steel Case Automatic Temperature Control Thermostat with A 35 DEG F to 65 DEG F Range Manufactured in U.S.A Wattage: 500 WTT