Belimo AH-25 Crankarm 321702-401 Which direction should the fan

Which direction should the fan rotate

Optimized System Efficiency: Facilitates clean pump-down cycles

If it detects a drop in air volume or a blocked flue condition

Direct Drive Efficiency: Optimized for systems where the wheel is mounted directly on the 1/2" motor shaft

This kit adds exactly 4 inches to the wall thickness

Belimo AH-25 Crankarm 321702-401 Which direction should the fanThe Belimo AH 25 Crankarm is a heavy duty damper actuator accessory engineered specifically for one sided standard shaft clamps. This galvanized steel actuator arm is a critical component for field mounting non spring return actuators, providing a reliable mechanical linkage for ventilation and air conditioning systems. Designed for professional HVACR contractors, the AH 25 features a precise 8. 2 mm slot width and is fully compatible with the Belimo