Siemens Building Technology QFR9530.KIT Sensor 321894-709 also identified by model number

also identified by model number FF444-V4-DAF

As the direct replacement for 5H73117-1

This valve is configured with a 5/16" inlet connection and a 3/8" outlet connection

the 51082-1K features a robust steel wall designed to withstand high pressure while minimizing vibration fatigue

Is an external pilot source required for operation

Siemens Building Technology QFR9530.KIT Sensor 321894-709 also identified by model numberThe Siemens Building Technology QFR9530. KIT represents a critical component for high performance environmental monitoring in commercial economizer and building automation systems. This comprehensive kit includes the QFR9530 duct surface mount sensor paired with the AQM5H prewired harness, a combination engineered to streamline the field installation process for HVAC contractors. By integrating both relative humidity and NTC 10k Type II thermistor