a full Lennox flame sensor replacement is the professional standard

Enhanced Signal Integrity: Features a 16-gauge 14-inch lead wire that maintains low electrical resistance for accurate flame detection

Installation is straightforward: insert the extruded dimples into the lower recesses of the thermostat base

This solenoid coil connector is specifically designed for ASCO RedHat and RedHat II series valves that feature the 3-pin DIN spade connection

Williams P500472 Limit Switch a full Lennox flame sensorMaintain the operational integrity of your heating equipment with the Williams P500472 Limit Switch, a critical OEM replacement part engineered for selective gas fired heating systems. This vent safety switch features a fixed temperature setting of 280F (L280), functioning as a primary safeguard against flue gas spillage and overheating conditions within the venting assembly. Specifically designed for manual reset (M R) operation, this switch requires