Siemens DDC 550-430 Actuator 321894-708 It is compatible with specific

It is compatible with specific valve bodies designed for the 099216 frame size

making it suitable for both commercial and residential air handlers and packaged units

because this is a direct-acting solenoid valve

For service technicians performing HVAC troubleshooting

critical for reversing loads and high-torque startups

Siemens DDC 550-430 Actuator 321894-708 It is compatible with specificThe Siemens DDC 550 430 is a high performance BACnet VAV Actuator designed for DDC terminal box controller applications. Operating on the BACnet MS TP protocol, this integrated unit provides precise, pressure independent control of VAV zone level routines. With a 44 lb in (5 Nm) nominal torque and a 90 second run time at 60 Hz, the Siemens OpenAir GDE series ensures reliable damper positioning for HVAC building automation. The on board differential