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

Utilizing genuine HVAC furnace safety switches like the 10123531 maintains the integrity of the system's safety circuit while reducing troubleshooting time during high-limit trip calls

the relay needs replacement

The device is highly flexible

Installing this on a 230V circuit will cause immediate failure of the heating element

Lennox 78M23 Thermostat 323055-751 This S1-373-23867-001 control board integratesThe 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