Lennox 63W36 Circuit Board 320788-702 Built with a 2-inch shank

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

providing critical versatility for commercial installations

Designed for the VG7000 Series

the Fenwal 35-665904-225 features field-selectable line voltage specifically to power 120 VAC or 240 VAC ignitors while using a 24 VAC control circuit

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

Lennox 63W36 Circuit Board 320788-702 Built with a 2-inch shankThe 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