Siemens Building Technology 331-4310 Actuator 326058-757 ensuring the unit maintains optimal

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

the S1-026-39189-000 is designed to withstand fluctuating environmental conditions while maintaining reliable switching under heavy inductive loads

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

Whether you are performing a commercial AC unit repair or a refrigeration system maintenance task

Enhanced System Safety: Monitors 24V signals to trigger a hard lockout

Siemens Building Technology 331-4310 Actuator 326058-757 ensuring the unit maintains optimalThe 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