Siemens Building Technology 331-2961 Actuator 321894-709 ensuring robust performance under typical

ensuring robust performance under typical static pressure conditions found in residential heating systems

Drop-in Compatibility: Fully replaces the 101N0320 module for Secop and Danfoss BD series compressors

and neutral gas applications

Enhanced Durability: Dust-shielded design protects the magnetic coil and mechanical linkage from debris common in outdoor environments

filter housing

Siemens Building Technology 331-2961 Actuator 321894-709 ensuring robust performance under typicalThe 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.