Lennox 10M65 Limit Switch 321142-301 Common Questions Which sensors are

Common Questions Which sensors are compatible with the E3DA base unit

Whether you are servicing a residential CGa series or a commercial-grade unit

You must select a compatible Danfoss AC or DC coil based on your specific system voltage

facilitating a secure connection and long-term performance in the combustion chamber

This sensor is a direct replacement and compatible component for Carrier 3V system zone controllers

Lennox 10M65 Limit Switch 321142-301 Common Questions Which sensors areThe Lennox 10M65 Limit Switch is a critical safety component designed for precise thermal regulation within residential gas furnaces and air handlers. Engineered as a 135 175F AUTO limit switch, this Lennox 10M65 functions as a primary high limit control, essential for preventing heat exchanger overheating. When internal temperatures exceed the 175F threshold, the internal bimetal disc opens the circuit to terminate the heating cycle. Once the system