Siemens Building Technology 331-4825 Actuator 318973-401 The GREE 30138000310 Control Board

The GREE 30138000310 Control Board is a critical main power control board replacement designed for high-performance GREE HVAC systems

ensuring seamless integration into existing IEC blower assemblies

with the appropriate spring kit

Plug-and-Play Compatibility: Features factory-matched wiring harnesses for reduced installation time on the job site

Siemens Building Technology 331-4825 Actuator 318973-401 The GREE 30138000310 Control BoardThe Siemens 331 4825 is a rugged, metal fabricated No. 3 Pneumatic Actuator engineered for reliable performance in demanding commercial HVAC environments. Designed for the precise modulation of air valves and dampers, this unit features a 8 13 psi nominal spring range and a versatile 2 3 4 inch stroke. Built with an all metal body and an ozone resistant rubber rolling diaphragm, it provides consistent force for both two position and modulating