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This SPDT fan relay serves as the direct OEM replacement for B1217301
this actuator crank arm provides a secure mechanical connection to 3/4 inch damper shafts
Engineered as a normally closed disc-style switch
What is the difference between Type II and Type III 10K sensors
Lennox 52M72 Flame Sensor This SPDT fan relay servesThe Lennox 52M72 Flame Sensor is a critical safety component designed for precise flame rectification in high efficiency gas furnaces. Engineered for direct spark ignition (DSI) and hot surface ignition (HSI) systems, this OEM replacement probe detects the presence of a burner flame by translating it into a microamp signal for the integrated furnace control. Built with high grade alumina ceramic insulation and a durable stainless steel electrode, it