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When head pressure exceeds the factory-set 410 PSI limit
ensuring stable cooling performance under fluctuating heat loads
What is the difference between constant duty and intermittent duty ignition
This 120V draft inducer is a shaded pole design
This OEM York fan blade aligns with original equipment specifications to provide the necessary CFM lift for heat exchange
Reznor 10121 Blower Shaft 320734-701 When head pressure exceeds theThe 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