| See | 22 15 00 for general service compressed-air systems. 23 09 00 for instrumentation and control for HVAC. 23 09 13.13 for actuators and operators for HVAC. 23 09 13.23 for sensors and transmitters for HVAC. 23 09 13.33 for control valves for HVAC. 23 09 13.43 for control dampers for HVAC. Division 23 for HVAC. |