Common Questions Does this module come pre-programmed

the relay needs replacement

This S1-373-23867-001 control board integrates seamlessly with existing liquid line and ambient sensors

OEM Performance: Eliminates the common arcing and snapping issues associated with generic

05" diameter for rapid mounting

Lennox 78M23 Thermostat 323055-751 Common Questions Does this moduleThe Lennox 78M23 Discharge Thermostat is a critical safety component designed for precise compressor protection in high performance residential and commercial HVAC units. As a high limit security switch, this Lennox OEM replacement part monitors the discharge line temperature, ensuring that hot refrigerant vapor exiting the compressor does not exceed safe operating thresholds. When the line reaches a critical temperaturetypically associated with high