Reznor 43422 Ring 320788-702 the 48HG401924 manages airflow direction

the 48HG401924 manages airflow direction to prevent heat exchanger condensation and ensure proper venting

0-10 VDC or 4-20 mAdc) and choose between direct or reverse acting modes using DIP switches without removing the entire cover

reducing pressure drop and improving overall burner efficiency

this assembly provides critical protection for potable water supplies against backsiphonage and backpressure

Reznor 43422 Ring 320788-702 the 48HG401924 manages airflow directionInstall the Reznor 43422 venturi inlet ring to maintain precise airflow dynamics within high capacity forced air heating systems. This genuine HVAC replacement part is specifically engineered as a venter inlet ring for the Reznor RPV125 thru 350 series units, ensuring compatible fitment and reliable performance. As a veteran technician, you know that a worn or improperly seated inlet ring can disrupt the air to gas mixture and decrease the static