Description
The Lennox 22J08 Thermistor Service Kit 623049-03 is a specialized thermal sensing assembly used for diagnostic and replacement applications in heat pumps and air conditioners in HVAC systems. It features a high-accuracy thermistor that measures refrigerant or ambient air temperatures to provide vital data to the outdoor units integrated control board. It is used by monitoring these thermal fluctuations, the sensor allows the system to manage staged cooling operations effectively. It is typically used on the liquid line or coil headers to ensure the system operates within safe mechanical limits while maintaining consistent indoor conditions conditions during extreme temperatures.
