Lennox 63W36 Circuit Board 320788-702 Whether you are servicing a

Whether you are servicing a Williams Monterey furnace

Built with a 2-inch shank and a standard 1/4" NPT bottom connection

Key Benefits for the Contractor Interchangeable internals: The stainless steel BP99 thermostat and valve seat can be replaced without breaking pipe connections

this unit delivers a 80 GPH flow rate at a 1-foot head and maintains performance up to a 20-foot shut-off head

This 18-inch natural gas burner is factory-calibrated with a #34 orifice

Lennox 63W36 Circuit Board 320788-702 Whether you are servicing aThe Lennox 63W36 Circuit Board serves as the primary fan motor control board for high efficiency residential systems, specifically engineered for XC17 air conditioners and XP17 XP21 heat pump units. This genuine Lennox OEM replacement part (Model 605953 01) is critical for managing blower cycles, fan speed modulation, and system communication. As a veteran grade HVAC control board replacement, it monitors safety switches and temperature sensors to