Lennox 12W64 Control Board 30067439-890 while the integrated needle drain

while the integrated needle drain valve in the lower arm allows for safe system blowdowns and maintenance without depressurizing the entire vessel

ensuring air quality compliance and system reliability in demanding workshop or manufacturing environments

ensuring system reliability and preventing nuisance trips or furnace pressure switch lockout issues

Key Benefits High Power Capacity: Provides a full 75VA output to handle multiple 24V loads without voltage sag

preventing energy waste and equipment cycling

Lennox 12W64 Control Board 30067439-890 while the integrated needle drainLennox 12W64 Ignition Fan Control Board 12W64 is identical to 12W6401