Lennox 10M75 Limit Switch 320074-702 Featuring a 2

Featuring a 2

It is fully compatible with the T-4000-110 wallbox kit for hollow wall or masonry applications

ensuring the blower motor is sufficiently venting flue gases before the ignition sequence begins

Always verify rotation from the hub/shaft end to ensure it matches your existing motor's specifications

Installation Flexibility: The union nut design allows the diaphragm case to be positioned in any of 8 orientations for easy vent piping

Lennox 10M75 Limit Switch 320074-702 Featuring a 2The Lennox 10M75 Limit Switch is a critical safety component designed for high limit thermal protection in Lennox HVAC systems. Engineered as a genuine OEM replacement part, this L210 40F limit switch operates on a snap disc thermal response mechanism to monitor heat exchanger temperatures. It is calibrated to open the circuit at 210F and automatically reset when temperatures drop by a 40F differential (resetting at 170F). This auto reset furnace