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This HVAC blower wheel is balanced at the factory to minimize harmonic resonance and noise
Ensure the bronze seats are cleaned or replaced if the check valve assembly does not seal completely
Key Benefits: Precise Calibration: Factory set at 1
allows the bulb to be placed regardless of the ambient temperature at the bellows or capillary
Nordyne 667290 Motor Pulley 321042-401 This HVAC blower wheel isThe Nordyne 667290 Motor Pulley is a critical component for fine tuning the blower speed and airflow across various Nordyne and Nortek air handlers and furnace systems. As a genuine OEM adjustable motor pulley (also referred to as an adjustable sheave), this part allows contractors to balance the system's static pressure by precisely modifying the pitch diameter. Designed for heavy duty HVACR applications, the 667290 features a durable construction
