water heater thermostat(instead of 59T/66T) would be suit to various products such as Electric Furnace,Heater Pumps ,Gas Furnaces,Oil Furnaces,etc. Feature: 1)Controlling the operation of heating element or fans in electric furnaces and heat pumps. 2)Loading up to 45Amper at 240V AC. 3)Adjustable control or manual reset style. 4)High electrical capacity,snap-action contact,long life-proven reliability.