Lennox 77M10 Burner Support 318973-401 Direct OEM Replacement: Matches Fasco

Direct OEM Replacement: Matches Fasco D033 specifications for seamless drop-in service calls

this switch is a reliable drop-in solution for OEM and light commercial applications requiring precise differential pressure monitoring

Precise Timing Logic: Manages blower "on/off" delay profiles to optimize heat exchanger cooling and prevent over-temperature conditions

the S1-024-24051-700 is a fixed CW Lead End rotation motor

also documented under catalog number 11L0801 and manufacturing part 103181-05

Lennox 77M10 Burner Support 318973-401 Direct OEM Replacement: Matches FascoThe Lennox 77M10 Burner Support is a critical structural component engineered specifically for Lennox G40 and G41 series gas furnaces. This OEM furnace burner bracket ensures precise alignment of the inshot burners relative to the heat exchanger inlets, maintaining the correct flame pattern and preventing heat related fatigue on the manifold assembly. Designed for high heat environments, the 77M10 replaces worn or warped supports that can lead to