Browning BK47H Sheave R-22 Leak Prevention: Features precision-molded seals

Leak Prevention: Features precision-molded seals and a high-quality valve seat to eliminate internal bypass and external leaks

preventing moisture from backing up into the combustion air inducer or leaking onto the secondary heat exchanger

Featuring a double-break contact configuration

While the Type 3R enclosure offers excellent dust and moisture protection for indoor and plenum environments

preventing ghost energy consumption in inactive zones

Browning BK47H Sheave R-22 Leak Prevention: Features precision-molded sealsThe Browning BK47H Sheave is a precision engineered single groove cast iron pulley designed for heavy duty power transmission in HVACR blower assemblies and industrial fan drives. With a 4. 45" outside diameter and a 4. 1" pitch diameter for B belts, this BK cast iron sheave utilizes H Series bushings to ensure a secure, slip free concentric fit on the shaft. Engineered for versatility, the Browning BK47H is compatible with 4L, 5L, A, and B section