You can flip the unit to achieve either clockwise or counterclockwise spring return

ensuring positive seal and reliable operation in high-static environments up to 0

vent limiting or external venting should be installed according to local mechanical codes

Actuator Compatibility: Specifically designed for direct-mount actuation

Browning AK41X1 Sheave 323080-701 You can flip the unitThe Browning AK41X1 Sheave is a precision machined, single groove cast iron pulley engineered for reliable power transmission in light duty HVAC and industrial blower applications. With a 3. 95" outside diameter and a 1" fixed bore, this sheave is designed for compatibility with 3L, 4L, and A section V belts. Constructed from high grade ASTM A48 Class 30 cast iron, it provides the necessary mass and durability to minimize vibration in air handling