Midco International 843752 Blower Wheel 321894-709 The Johnson Controls P100AP-354 is

The Johnson Controls P100AP-354 is a professional-grade encapsulated pressure control designed for heavy-duty condenser fan cycling in commercial refrigeration and HVACR systems

or "no heat" calls caused by the valve failing to open despite receiving 24V power

For contractors handling retrofits or new builds

Durable Construction: Built with industrial-grade materials to withstand the thermal and chemical demands of diverse fluid media

Key Benefits for Field Installation Precision Pressure Regulation: Fixed 125 PSI setting ensures the HVAC pressure relief valve triggers accurately to protect heat exchangers

Midco International 843752 Blower Wheel 321894-709 The Johnson Controls P100AP-354 isTechnical performance in commercial combustion systems depends on precise airflow volume, and the Midco International 843752 Blower Wheel is the direct OEM replacement engineered to maintain those critical tolerances. Specifically designed for use with Midco RE4400, RE4700, and RE4850 series power gas burners, this component ensures the proper manifold pressure and air fuel mixture required for high efficiency operation. Measuring 5. 24 inches in