Siemens Building Technology 331-4310 Actuator 326058-757 Reliable Sequencing: High-grade solenoid coils

Reliable Sequencing: High-grade solenoid coils provide fast-acting response times for safety and temperature control accuracy

ensuring the unit maintains optimal superheat levels and prevents compressor slugging or freezing

Direct Compatibility: Engineered specifically for the Parker 121 series and 122 series valves for seamless field replacement

the REE-4002 allows technicians to fine-tune the fan start point between 0 to 3

Is the ICP 1172839 board compatible with multi-stage systems

Siemens Building Technology 331-4310 Actuator 326058-757 Reliable Sequencing: High-grade solenoid coilsThe Siemens 331 4310 is a heavy duty pneumatic damper actuator engineered for precise proportional control in commercial HVAC systems. This No. 4 actuator features a 3 7 psi spring range and a 2 3 8 inch stroke, making it a critical component for modulating dampers and air valves in both legacy and modern building automation systems. Designed with a rugged metal housing, it handles the mechanical demands of air handling units where consistent torque