Reznor 222769 Interface Board 321894-709 Always match the RPM rating

Always match the RPM rating of the original equipment to ensure proper airflow and prevent compressor head pressure issues

Engineered with a 3/8 ODF sweat connection and a solid desiccant core

or visible bulging on the top of the capacitor casing

or a failed winding that prevents the motor from reaching the necessary speed to trigger the pressure switch

For technicians performing retrofits or custom builds

Reznor 222769 Interface Board 321894-709 Always match the RPM ratingThe Reznor 222769 Interface Board is a critical replacement component designed for seamless field integration with specific Reznor unit heaters and ventilation systems. As a veteran grade HVAC control board, this unit facilitates high speed data transfer and manages precise control signals between the primary ignition controller and auxiliary components. Bench tested for industrial grade reliability, the Reznor 222769 ensures that complex heating