this 650-450 PSI pressure control is critical for preventing catastrophic system failure and ensuring residential and light commercial units operate within safe thermal and mechanical limits

it is optimized for horizontal mounting where the airflow directly cools the motor windings

Built with a durable cast iron body material

minimizing stretch and vibration during high-speed operation

What is the maximum operating temperature for the included gaskets

Siemens Building Technology 331-3000 Actuator 322056-301 this 650-450 PSI pressure controlThe Siemens 331 3000 is a heavy duty, No. 4 pneumatic damper actuator engineered for reliable control of large dampers in commercial HVAC environments. As a veteran preferred HVAC pneumatic control solution, this rugged, metal fabricated unit is designed to provide gradual or positive actuation of terminal units, mixing boxes, and fire smoke dampers. It features a 4 inch stroke and a nominal 3 7 psi spring range, allowing for precise sequencing with