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it significantly reduces the overall mechanical footprint in tight mechanical rooms
If the system detects a drop in static pressure—often caused by blocked vents
Designed to withstand the high-temperature environments found in heat exchangers and compressor compartments
they typically step down the voltage to 120V at the ignitor terminals
37-inch water column response
Siemens Building Technology 331-3002 Kit 328140-751 it significantly reduces the overallThe Siemens Building Technology 331 3002 Kit features the No. 4 Pneumatic Damper Actuator, a rugged, metal fabricated powerhouse engineered for precision air flow control in commercial HVAC systems. This piston type pneumatic actuator is designed for the gradual or positive actuation of HVAC dampers and fire smoke dampers, offering a consistent 4 inch stroke. Operating within a 5 10 psi spring range, it provides the necessary force for reliable mixing
US$ 169.69
US$ 100.31