Siemens Building Technology 331-3002 Kit 328140-751 If the system detects a

If the system detects a drop in static pressure—often caused by blocked vents

it significantly reduces the overall mechanical footprint in tight mechanical rooms

featuring a Single Pole Single Throw (SPST) internal switch that breaks the circuit on a temperature rise

or visible rust on the burner ports

Using a stainless steel heat exchanger significantly improves resistance to oxidization compared to aluminized steel alternatives

Siemens Building Technology 331-3002 Kit 328140-751 If the system detects aThe Siemens Building Technology 331 3002 Kit features the No. 4 Pneumatic Damper Actuator, a rugged, metal fabricated powerhouse engineered for precision air flow control in commercial HVAC systems. This piston type pneumatic actuator is designed for the gradual or positive actuation of HVAC dampers and fire smoke dampers, offering a consistent 4 inch stroke. Operating within a 5 10 psi spring range, it provides the necessary force for reliable mixing