providing a balance of low energy consumption and reliable startup torque

As a direct OEM replacement heater for legacy part numbers 20460615 and 20517903

utilizing the correct Sensus 143 spring chart specifications ensures the diaphragm assembly operates as intended

OEM Compatibility: Exact fit for PennBarry DX11B and Domex ventilator series

Key Benefits Precision Airflow: Engineered to provide the exact static pressure required for York furnace venting requirements

Marvair 40099 Motor 322057-301 providing a balance of lowThe Marvair 40099 motor is a purpose built 1 2 HP replacement motor designed for high demand HVACR applications, specifically within Marvair wall mount units and air handlers. Operating at 208 230V and a nominal speed of 1075 RPM, this single phase induction motor provides the precise torque required to maintain consistent static pressure in commercial cooling systems. As a veteran grade 48Y frame motor, it features an open air over (OAO) enclosure to