the 100167772 integrates pump relay logic
Precision Fault Detection: Utilizes microprocessor logic to identify phase unbalance and short circuits more accurately than standard relays
the 'S' suffix typically denotes a service part or a superseding part number that maintains the same electrical specifications and physical dimensions as the original factory component
5' wire harness with a Packard connector for simplified field installation
Durable Construction: Made in the USA with industrial-grade materials to withstand vibration and frequent cycling
Reznor 43845 Motor/Wheel Assy 320720-756 the 100167772 integrates pump relayThe 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