Lennox 10M79 Limit Switch 322838-753 Using a genuine 1177593 motor

Using a genuine 1177593 motor ensures the original engineering specifications for airflow and static pressure are met without the need for field modifications

When you are upgrading an older Nordyne furnace for air conditioning or heat pump compatibility

proceed with the next larger orifice size to ensure proper flow

By integrating full-time flame monitoring and specialized safety timings

Lennox 10M79 Limit Switch 322838-753 Using a genuine 1177593 motorThe Lennox 10M79 Limit Switch is a critical safety component engineered for precision thermal monitoring in HVAC systems and residential furnaces. This OEM Lennox part, also identified by manufacturer number 10M7901, features an L140 40F configuration. It is calibrated to open the electrical circuit when internal temperatures reach a 140F limit, effectively preventing heat exchanger damage and ensuring safe appliance operation. The switch