this assembly prevents pressure switch trip-outs and ensures the combustion blower operates within factory thermal limits

Extended Component Life: Proper alignment reduces uneven load on blower motor shafts and bearings

ensuring accurate pressure regulation within a 160 to 260 psig range

This component is the standard for contractors requiring reliable steam trap repair parts for heavy-duty HVACR and process applications

verify if the trip was caused by a genuine thermal overload or an electrical phase issue

Trane SHE5366 Sheave 320074-702 this assembly prevents pressure switchAs a field technician, you know that drive train precision is non negotiable for commercial HVAC performance. The Trane SHE5366 Sheave is a heavy duty, single groove v belt pulley designed specifically for large scale air handling units and packaged rooftop systems. Engineered from powder coated cast iron, this BK190 sheave features a precise 1 13 16 inch bore with a standard 1 4" x 1 8" keyway to ensure slip free torque transmission. With an 18. 75