Lennox 83L72 Flame Sensor 323080-701 Built with a rugged brass

Built with a rugged brass trim and a high-performance Teflon (PTFE) seat

critical for industrial cold storage and food processing

Proven Temperature Rating: Stable performance across a broad range from -20°F to 150°F

which is required for R-407C but also compatible with R-22 mineral oil systems after proper flushing

and corrosion-resistant seal for indoor and outdoor use

Lennox 83L72 Flame Sensor 323080-701 Built with a rugged brassAs a seasoned technician, you know that a fouled Lennox 83L72 Flame Sensor is one of the most frequent causes of nuisance furnace short cycling. This genuine OEM flame rod replacement is engineered for precision rectification signal monitoring within the combustion chamber. When the integrated furnace control (IFC) fails to detect the microamp current through this sensor, it immediately terminates the gas valve power to prevent hazardous conditions.