you can check for continuity and resistance across the coil leads

ensuring a direct fit for band/thru-bolt mount configurations

This part is essential for ensuring your hydronic heating equipment meets stringent safety and performance standards

Heavy-Duty Bearings: Self-aligning ball bearings extend the service life of the motor under continuous load

Constructed from high-grade brass and copper to resist corrosion in high-humidity environments

Siemens Building Technology 331-2961 Actuator 321042-401 you can check for continuityThe Siemens 331 2961 is a high performance No. 4 pneumatic damper actuator engineered for precise control in commercial HVAC systems. This rugged, metal fabricated pneumatic piston actuator features a 4 inch stroke and is designed for the gradual or positive actuation of dampers in ventilating systems, mixing boxes, and air handling units. With a 8 13 psi spring range, it provides the necessary force for reliable operation in high demand environments.