Key Benefit Precise LP Gas Regulation: Specifically machined for Liquid Propane flow requirements to ensure optimal ignition performance

The 3P 75A contactor architecture ensures that all three legs of power are managed simultaneously

this wye strainer provides exceptional corrosion resistance

ensuring a flush horizontal mount without additional modifications

Lennox 81W03 Control Board Els PW 17895 Key Benefit Precise LP GasThe Lennox 81W03 Control Board is the direct OEM replacement for the Lennox 17W70, 17W7001, and 81W0301 ignition control boards. As the central logic for your furnace, this integrated furnace control manages critical sequences, including hot surface ignition, flame sensing, and blower motor timing. It is engineered specifically for use in high efficiency units such as the Lennox G40, G43, and ML180 ML193 series. When performing a field replacement,