R-22 Compatibility: Serves as a direct mechanical match for legacy Copelaweld RST series models

Whether you are performing a seasonal tune-up or a targeted furnace repair

This motor typically requires a 15 MFD / 370 VAC run capacitor

Key Benefits: Optimized Performance: Maintains precise refrigerant flow control to achieve optimal SEER ratings and heat transfer efficiency

Proper torqueing during installation is required to maintain the integrity of the valve seat and prevent internal bypass leaks in the Sensus 143-16-023-02 assembly

Nordyne 621938 Motor 321042-401 R-22 Compatibility: Serves as aThe Nordyne 621938 OEM replacement blower motor is a high performance, 2 speed induction motor engineered for Intertherm, Miller, and Nordyne air handlers and furnaces. Featuring a 1 3 HP output at 208 230V, this motor operates at a 1080 RPM synchronous speed with CCW rotation (counter clockwise) to provide reliable static pressure and airflow across heat exchangers. As a direct fit technical replacement for the Emerson K55HXJNN 9232 and Miller