Lennox 28W44 Flue 320788-702 this assembly provides a direct-fit

this assembly provides a direct-fit solution that restores system safety and combustion efficiency without the guesswork associated with universal components

When swapping these boards

750 mV millivolt output delivers consistent power for self-generating gas control systems

This OEM replacement part is built with a rugged pneumatic diaphragm that converts pressure differentials into electrical signals

Always compare the pitch of the existing blade with the new component to ensure the motor is pushing air in the correct direction across the coil

Lennox 28W44 Flue 320788-702 this assembly provides a direct-fitThe Lennox 28W44 Flue Exhaust Tee is a critical OEM replacement part designed for precision venting in high efficiency gas furnaces. Engineered from rugged steel, this flue assembly ensures the safe and streamlined redirection of combustion gases, maintaining the atmospheric integrity of the heat exchanger circuit. As a veteran grade HVAC exhaust component, the 28W44 is built to withstand high temperature cycles without structural degradation or seal