Lochinvar & A.O. Smith 100279407 Flame Sensor 326058-756 This OEM limit switch operates

This OEM limit switch operates on a 170-40F logic

Reduced Nuisance Trips: The 60-second time delay relay allows pressures to stabilize before triggering a lockout

120V 1-speed blower motor engineered specifically for Williams Forsaire direct vent furnaces

Common Question: Can I use a 3-inch limit switch instead of this 5-inch 47-20545-91

High-Speed Performance: 3000 RPM motor delivers optimized venting pressure and consistent airflow for reliable system cycling

Lochinvar & A.O. Smith 100279407 Flame Sensor 326058-756 This OEM limit switch operatesThe Lochinvar & A. O. Smith 100279407 Flame Sensor is a critical safety component engineered for precise flame rectification in high efficiency boilers and water heaters. This original equipment manufacturer (OEM) part is designed for rear mount installation, ensuring the control module receives an accurate microamp signal once a flame is established. When your system faces intermittent ignition lockouts or fails to sense a burner flame, replacing the