Description
The Lennox 21P22 ECM Motor & Impeller 460- 575 VAC 621157-04 is an airflow assembly used to move conditioned air through compatible equipment in HVAC systems. Combining an electronically commutated motor with a matched impeller, it delivers controlled air circulation while adjusting output to meet system operating demands. This assembly is commonly installed in commercial air handlers, rooftop units and packaged equipment where consistent airflow is essential. As a key part of the air distribution section it supports temperature regulation and overall system efficiency by maintaining accurate air movement throughout the equipment.
