Trane SHE5346 Sheave 321142-301 How do I identify the

How do I identify the correct York orifice size

The S1-025-31813-000 ensures that if the system experiences restricted airflow—often due to a clogged filter or a failing secondary heat exchanger—the circuit breaks before the unit sustains damage

excessive soot build-up

3-inch frame diameter (3-3/8") and a CWSE rotation (Clockwise Shaft End)

Trane SHE5346 Sheave 321142-301 How do I identify theThe Trane SHE5346 Sheave is a heavy duty, single groove BK90H Sheave engineered for precision power transmission in commercial air handlers and ventilation systems. Constructed from close grain cast iron, this fixed pitch component features a combination groove design optimized for 4L, A, 5L, and B section V belts. This bushed type pulley requires an H series split taper bushing for secure shaft mounting, accommodating bore sizes ranging from 0. 38 to