Because it includes an integral vent limiting orifice

Does this sheave require a specific bushing

identifying root causes like venting obstructions or heat exchanger soot

It is designed for seamless integration with the Honeywell 301EM-20 controller

65"wc SPST configuration

Browning AK51X7/8 Sheave 322057-301 Because it includes an integralWhen you need a reliable power transmission component, the Browning AK51X7 8 sheave is a solid choice for your fractional horsepower applications. This cast iron sheave features a 4. 95 inch outside diameter and a precise 7 8 inch fixed bore, ensuring a secure fit on your motor shaft. Engineered as a single groove V belt pulley, it's designed for optimal performance with 3L, 4L, and A section belts. Each finished bore sheave is accurately machined