While Bard relays are standardized for their respective model families

The York S1-024-35705-011 Motor is a high-efficiency 3/4 HP ECM blower motor designed to maintain consistent airflow in demanding residential and commercial HVAC applications

Rugged Build: Constructed to withstand the cycling and thermal stress of commercial unit heater applications

The MARS 11952 Start Capacitor is a high-duty round motor start capacitor engineered for single-phase HVACR and industrial motor applications requiring high starting torque

and peripheral components such as the compressor contactor and indoor blower relay

Reznor 10121 Blower Shaft 322055-301 While Bard relays are standardizedThe Reznor 10121 Blower Shaft is a critical HVAC replacement part engineered specifically for high capacity 350 400 MBH XE RXE duct furnaces. Measuring 1" diameter x 44 5 8" length, this precision ground shaft is manufactured by Nortek Global HVAC to meet exact OEM mechanical tolerances. For contractors performing a blower assembly repair, maintaining structural integrity is vital to prevent vibration and bearing failure. This OEM Reznor part ensures