Rheem SP11231 Electric Thermostat For best results, use only Rheem replacement parts for repairing your Rheem Water Heater Manufacturer: TOD, Manufacturer Series: 59T/66T, High Limit Control: Manual Reset, High Limit Setting (F): 190, High Limit Tolerance (F): +/- 5 High Limit Contact Configuration: DPST, Thermostat Adjustment Range (F): 120 to 170 Thermostat Tolerance (F): +/- 10, Thermostat Differential (F): 5 to 20, Thermostat Contact Configuration: SPST