Ensure reliable heating system performance with the Lennox 80M27 Ignition & Fan Control Board. This OEM replacement part is engineered to manage critical furnace functions, including safe ignition sequencing, flame sensing, and blower motor operation. Designed for compatibility with select Lennox gas furnaces, the 80M27 (also known as part number 103933-01) offers dependable performance and built-in diagnostics for efficient troubleshooting. Whether you're replacing a faulty board or performing preventative maintenance, this control board restores your HVAC system's safe and efficient operation.

Key Features:

OEM Lennox part – model 80M27 / 103933-01

Controls ignition, flame sensing, and fan timing

Integrated diagnostic LEDs for easy troubleshooting

Factory-tested for safety and reliability

Compatible with a variety of Lennox gas furnace models

A trusted solution for HVAC professionals and contractors, the 80M27 control board helps keep your system running smoothly. Order today from Beenimax.com – your reliable source for genuine Lennox replacement parts.