3-inch diameter motors in ventilation and HVAC cabinetry

this is the bearing bracket housing only

As a direct-mount

The Johnson Controls A421ABG-02 is a professional-grade single-stage electronic temperature control designed for versatile HVACR applications

this model is tailored for the Reznor chassis

Johnson Controls P400BD-1 Pressure Switch Freon 3-inch diameter motors in ventilationThe Johnson Controls P400BD 1 Pressure Switch provides critical single point differential oil pressure monitoring for commercial refrigeration and HVAC compressors. This OEM component acts as a direct replacement for P300BD 1 units, ensuring seamless integration into existing control circuits. Engineered with a 10 1. 5 PSID open point and a close point set at less than or equal to 3 PSID above the differential opening, this switch prevents