Browning 2B56SDS Sheave 321894-709 Safety Lock-Up: Positive dead-end lock-up

Safety Lock-Up: Positive dead-end lock-up design ensures zero pressure build-up during equipment standby cycles

while maintaining peak safety by drawing combustion gases away from the structure

Integrated Control Module: Ships with a factory-calibrated motor control module already installed

Common Questions: When should the 100188938 burner gasket be replaced

and large resistive heating elements

Browning 2B56SDS Sheave 321894-709 Safety Lock-Up: Positive dead-end lock-upThe Browning 2B56SDS Sheave is a heavy duty two groove Q D sheave engineered for industrial power transmission systems requiring balanced performance and high torque capacity. Specifically designed for use with SDS Series Bushings, this cast iron pulley features a 5. 95" outside diameter and is precision machined to accommodate both A and B Series Belts (4L or 5L). The split taper design ensures a secure, concentric fit on the shaft, reducing