Lennox 75W15 Limit Switch 323613-751 Low Maintenance Design: Streamlined profile

Low Maintenance Design: Streamlined profile reduces material buildup or "bridging" between probes in pump control sequences

and WeatherKing models

Direct OEM Replacement: Guaranteed compatibility with Erie PopTop 30-series valve bodies

How can I tell if my current condensate pan needs replacement

The 1/2" x 6-1/2" shaft with a flat provides secure blower wheel or fan blade attachment

Lennox 75W15 Limit Switch 323613-751 Low Maintenance Design: Streamlined profileThe Lennox 75W15 Limit Switch is a high performance L165 30F limit switch designed as a genuine OEM replacement for residential and commercial heating equipment. Engineered to function as a critical safety control, this Lennox furnace limit switch operates as a normally closed (NC) snap disc limit control that opens at 165F and resets at 135F. This automatic reset component is essential for preventing heat exchanger damage by interrupting the gas