Siemens Building Technology 331-2906 Actuator 326058-757 This single phase HVAC motor

This single phase HVAC motor features a standard 48 NEMA frame size and a resilient sleeve bearing system

50" WC trip point eliminates the need for field adjustments

Contractors should verify the WC (Water Column) ratings against the equipment nameplate to ensure exact pressure calibration

Field-verified for units requiring advanced diagnostic feedback

This is the 319825-402 cover plate only

Siemens Building Technology 331-2906 Actuator 326058-757 This single phase HVAC motorThe Siemens Building Technology 331 2906 Actuator is a heavy duty, No. 4 pneumatic damper actuator engineered for precise control in commercial HVAC systems. This piston type actuator features a 5 to 10 psi nominal spring range and a robust 4 inch stroke, making it a reliable solution for modulating or two position control of outdoor air, return air, and exhaust dampers. Designed with a pivot mount configuration, it reduces binding and mechanical