Lennox 17W11 L60-31F Defrost Thermostat

The Lennox 17W11 L60-31F Defrost Thermostat is anessential part of HVAC systems, especially in heat pumps that are used to control the defrosting outdoor coil during cold weather. This thermostat operates with a heating function that will turn on whenever the outside temperature is below freezing so that the heat access can melt the frost that gathers on the heat exchange pipes. Due to the accurate temperature measuring qualities, and high reliability of the Hepa Filter, it contributes to increasing the life of the equipment besides optimizing performance.