this Source1 pressure control replaces legacy part numbers 024-35776-000 and ensures your combustion system maintains its AHRI-rated efficiency without nuisance trips

If the ports are corroded or the metal is warped

it features a normally closed (N/C) configuration that provides fail-safe operation by returning the valve or damper to the closed position during power loss

the differential pressure switch design allows for monitoring positive pressure

Dual-Speed Functionality: Supports multi-stage airflow requirements for improved comfort and efficiency

Aaon R78321 Inducer Assembly R-410A this Source1 pressure control replacesThe Aaon R78321 Inducer Assembly is a high performance 460V modulating inducer assy engineered to optimize combustion efficiency in commercial HVAC systems. This genuine OEM replacement part features a robust 1 3 HP motor operating at 3250 RPM to ensure precise airflow regulation and consistent burner operation. Designed specifically for Aaon equipment, the R78321 blower motor assembly facilitates the safe exhaust of flue gases through the heat