preventing accidental fluid discharge

Precise Tuning: Features a 100 to 470 PSIG adjustable range and a wide 35 to 200 PSI differential for optimized cycling

Compatible with Williams direct-vent furnaces

Rugged Housing: Protects internal circuitry from ambient moisture and thermal stress

Check your water heater's rating plate for the model and serial number

Siemens Building Technology 331-3002 Kit R-448A preventing accidental fluid dischargeThe 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