Lennox 10M65 Limit Switch 326058-758 the 002084F pilot assembly is

the 002084F pilot assembly is the primary diagnostic focus

This NS2-1306-01 airflow switch is a critical safeguard

As a part of a standard HVAC zone control setup

What are the signs of a failing auxiliary board

Lennox 10M65 Limit Switch 326058-758 the 002084F pilot assembly isThe 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