this unit is designed with reversible rotation capabilities

one normally closed)

Integrated Monitoring: Built-in SPDT auxiliary switch enables external signaling without requiring additional field-mounted components

or thermal fatigue of the burner head

Siemens Building Technology 257-02008B Valve Assembly Els PW 29614 this unit is designed withWhen you are managing terminal unit applications like convectors or fan coil units, the Siemens Building Technology 257 02008B Valve Assembly is a reliable choice for throttling or shut off control. This 2 way normally closed pneumatic valve is engineered with a 1 2" NPT connection and a 2. 5 Cv rating, utilizing a modified equal percentage flow characteristic to ensure stable heat transfer in chilled or hot water systems. The forged brass body is