Compatibility is determined by the full model and serial number of the furnace

this specific model is calibrated for 125 PSI system protection

Engineers and technicians utilize this controller to provide a stable 0 to 10 VDC or 0 to 20 mA analog output

ensuring your heating system operates at peak safety and efficiency standards

the valve seat or linkage is likely worn and requires a new mechanism assembly

Reznor 43845 Motor/Wheel Assy 340793-762 Compatibility is determined by theThe Reznor 43845 Motor Wheel Assy is a drop in 115V Inducer Motor Wheel Assy designed for critical combustion management in commercial and industrial heating applications. This OEM draft inducer replacement is engineered to handle the high static pressure requirements of the Reznor HRPD series, including HRPD 250, 300, 350, 400, and 500 models. As a veteran technician knows, maintaining the correct airflow across the heat exchanger is non negotiable