Siemens Building Technology 331-3012 321894-709 Does this kit include parts

Does this kit include parts for the first check valve or relief valve

this valve is designed to withstand the rigorous demands of mechanical rooms

technicians can eliminate excessive vibration and noise issues often associated with generic "will-fit" alternatives

While designed specifically for Trane equipment specifications

When installing the 100278058 adapter

Siemens Building Technology 331-3012 321894-709 Does this kit include partsThe Siemens 331 3012 is a heavy duty #6 pneumatic damper actuator designed for high torque applications in commercial HVAC systems. This spring return actuator features a 4 inch stroke and a nominal 3 8 psi spring range, making it an ideal choice for the gradual or positive control of large dampers, centrifugal refrigeration inlet vanes, and fire smoke dampers. Built with a rugged, metal fabricated housing and a 17. 9 sq. in. effective diaphragm area,