Siemens Building Technology 331-2961 Actuator 326058-755 Enhances overall system performance and

Enhances overall system performance and energy efficiency

Installing a 2-stage board on a single-stage system will result in improper staging and potential safety lockouts

The inclusion of the X11981-1 service tool ensures precise disassembly and reassembly

this analog signal converter maintains high linearity and minimal hysteresis

Key Benefits: Full Port Compatibility: Specifically sized for 1-1/2" Type E cast iron main valves to ensure unrestrictive flow and precise pressure control

Siemens Building Technology 331-2961 Actuator 326058-755 Enhances overall system performance andThe 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.