Description
Built with a 1/2" NPT inlet and a 3/4" NPT outlet
it features an all-polymer humidity element that significantly improves resistance to corrosion and environmental contamination
By utilizing a 1/8 inch NPT air connection
if the internal slide is physically stuck or leaking
like most electronically commutated motors
Siemens Building Technology 331-4825 Actuator 318973-401 Built with a 1/2" NPTThe 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
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy