Lennox 20W37 Limit Switch 323055-751 The 06NA660028 is specifically designed

The 06NA660028 is specifically designed for select screw compressor models

the 10-616-20 integrates a stainless steel spring and a non-sticking Teflon-faced silicone seat to ensure positive shut-off after emergency activation

specifically engineered for the Knight series

Single Phase (1Ph)

enhancing overall system reliability and ignition consistency

Lennox 20W37 Limit Switch 323055-751 The 06NA660028 is specifically designedThe Lennox 20W37 Limit Switch is a critical safety component designed for precise thermal regulation within residential gas furnaces and air handlers. Engineered as a 120 160F AUTO limit switch, this Lennox replacement part functions by monitoring the plenum temperature and breaking the electrical circuit if the discharge air exceeds the 160F safety threshold. Once the unit cools to the 120F reset point, the Lennox 20W37 automatically resets, allowing