Maintaining the correct fan pitch and RPM is critical for heat transfer efficiency

As the direct replacement for AP13143-1

it features 3/4-inch NPT threading

When viewing the wheel from the hub/shaft entry side

Belimo DRCX120-3 Actuator 324846-701 Maintaining the correct fan pitchThe Belimo DRCX120 3 is a non spring return (NSR) direct coupled actuator designed for precise control of dampers in HVAC systems. Operating on a 120V AC power supply, it provides 360 in lb (40 Nm) of torque, making it suitable for larger air handlers and high static pressure environments. This on off or floating point actuator features a universal spindle clamp that accommodates various shaft diameters, facilitating quick field installation. With a