Lennox 63W36 Circuit Board 320788-702 Smith 9004762105 seamlessly

Smith 9004762105 seamlessly

This millivolt-powered gas control integrates a high-limit thermal switch and a built-in piezo igniter to simplify the pilot lighting process

consistent spark to overcome cold oil viscosity and poor draft conditions

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 Smith 9004762105 seamlesslyThe 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