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Plug-and-Play Compatibility: Features factory-matched wiring harnesses for reduced installation time on the job site
By utilizing a 1/8 inch NPT air connection
One-pipe steam systems require a specialized air vent valve to function correctly
like most electronically commutated motors
Siemens Building Technology 331-4825 Actuator 318973-401 Plug-and-Play Compatibility: Features factory-matched wiringThe Siemens 331 4825 is a rugged, metal fabricated No. 3 Pneumatic Actuator engineered for reliable performance in demanding commercial HVAC environments. Designed for the precise modulation of air valves and dampers, this unit features a 8 13 psi nominal spring range and a versatile 2 3 4 inch stroke. Built with an all metal body and an ozone resistant rubber rolling diaphragm, it provides consistent force for both two position and modulating