Lennox 57W75 Limit Switch but both part numbers refer

but both part numbers refer to the exact same 1/4" barb vent fitting

The dryseal threads provide a leak-proof interface and improved clearance for tightening 3/4 SAE flare nuts

Automated System Recovery: Integrated auto-reset feature simplifies troubleshooting and restores heating once safe internal temperatures are reached

How do I identify a failing 60/5 dual run capacitor

a durable O-ring

Lennox 57W75 Limit Switch but both part numbers referPrecision is critical in furnace safety circuits, and the Lennox 57W75 Limit Switch is the standard grade solution for managing thermal thresholds in high efficiency systems. As a 250F CO M R Limit Switch, this component is engineered to interrupt the burner circuit when temperatures reach the 250 degree Fahrenheit cutoff, requiring a manual reset to ensure a technician inspects the underlying cause of the overheat. This OEM part is the direct