Suburban Mfg Water Heater Thermostat 140 deg F. It is features a temperature rating of 140F and a voltage rating of 120 volts. Includes a 90 day limited warranty. Features of Suburban Mfg 232317 Water Heater Thermostat 140 deg F Designed for use with RV water heaters Temperature Rating: 140F Voltage Rating: 120V 90 day limited warranty Package Contents: Suburban Mfg 232317 Water Heater Thermostat 140 deg F Suburban Mfg 232317: Water Heater Thermostat 140 deg