Siemens 331-2976 Damper Actuator Pneumatic No.4 5-10 PSI

Siemens 331-2976 Damper Actuator Pneumatic No.4 is durable and reliable device used to control in HVAC systems. The pneumatic mechanism of this actuator applies air pressure to dampers in ventilation and air conditioning units to modulate. It has a spring range of 5-10 PSI that ensures air pressure level can be adjusted by changing the damper position to maintain accurate and consistent performance. With a pivot mounting, this model is versatile and easy to install. And easy to carry around either for commercial or residential HVAC applications, it is a durable piece to carbon frame.