Lennox 52M72 Flame Sensor Unlike harsh chlorine-based alternatives

Unlike harsh chlorine-based alternatives

this component ensures the integrated furnace control board receives a consistent DC microamp signal to keep the gas valve energized

This allows for constant power to the crankcase heater while switching the compressor and fan loads

How do I test if my Lennox 93J54 sensor is faulty

The ICM Controls ICM102 is a professional-grade Delay-On-Make Timer designed for precision compressor staging and stagger-starting multiple loads in HVACR systems

Lennox 52M72 Flame Sensor Unlike harsh chlorine-based alternativesThe 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