Browning 2BK57H Sheave R-22 or unit heater series

or unit heater series

Operating within a temperature range of -40°F to 176°F

By integrating an electronic discharge air sensor (ZPA-DTS)

providing consistent performance without requiring minimum line pressure

Browning 2BK57H Sheave R-22 or unit heater seriesThe Browning 2BK57H Sheave is engineered for robust power transmission in demanding HVACR applications. This two groove, 5. 45 inch outside diameter sheave is precision machined from high quality cast iron, ensuring exceptional durability and consistent performance. Designed for use with H Series Bushings, it provides a secure and balanced fit, critical for minimizing vibration and extending belt life. Compatible with 4L, 5L, A, and B belts, this