Heatcraft Refrigeration 5709L Defrost Limit Thermostat 321702-401 protecting the heat exchanger from

protecting the heat exchanger from premature fouling

Built for industrial-grade performance

This WH9-6 single element heater thermostat features an integrated Energy Cut-Off (E

400 BTU capacity specifically designed for R22 refrigerant systems

The Carrier 342970-75107 Filter Door Kit is a critical factory authorized part engineered to maintain the structural integrity and static pressure balance of your air handling unit or furnace

Heatcraft Refrigeration 5709L Defrost Limit Thermostat 321702-401 protecting the heat exchanger fromHeatcraft 5709L Defrost Limit Thermostat The Heatcraft 5709L Defrost Limit Thermostat is designed for commercial refrigeration systems that require reliable termination of the defrost cycle based on evaporator temperature. This temperature sensitive control closes at 35F and opens at 55F, helping protect evaporator coils while ensuring efficient system operation. Commonly used in walk in freezers and refrigerated storage applications, the 5709L