Siemens Building Technology 257-02035 Valve Assembly 319847-401 Wide Environmental Range: Performance-rated for

Wide Environmental Range: Performance-rated for temperatures from -4°F to 122°F

ensuring seamless integration into existing Building Automation Systems (BAS) and HVACR air-side control loops

Durable Construction: Heavy-duty metal housing and a rubberized base provide structural stability and vibration damping for quieter operation

this unit features a robust core construction to minimize electromagnetic interference and thermal buildup

Which Reznor models use this specific blower wheel

Siemens Building Technology 257-02035 Valve Assembly 319847-401 Wide Environmental Range: Performance-rated forThe Siemens 257 02035 is a 2 way normally open pneumatic valve assembly designed for precise flow control in HVAC terminal unit applications. This 1 2 inch assembly features an NPT x Union Male connection and an equal percentage flow characteristic with a 1. 0 Cv rating, ensuring stable modulating control in water or steam systems. Constructed with a forged brass body and durable brass trim, the unit is engineered for long term reliability under