Safety Compliance: Acts as a critical gas furnace safety device to prevent the hazardous buildup of unburned gas

offering the same rugged performance expected from Functional Devices' American-made components

This board is specifically designed for use with the Honeywell W7459 series economizer logic modules

By outputting a variable DC voltage to M or MR modulator valves

meeting safety codes for indoor installation without additional piping

Lennox 83L72 Flame Sensor 322055-301 Safety Compliance: Acts as aAs 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.