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The inclusion of the X11981-1 service tool ensures precise disassembly and reassembly
allowing it to control either fans for cooling or burners for heating
Durable Construction: Built to handle the high temperatures and pressures associated with compressor discharge lines
or visible oil seepage around the head assembly
Enhances overall system performance and energy efficiency
Siemens Building Technology 331-2961 Actuator 326058-755 The inclusion of the X11981-1The 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.
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