Siemens Building Technology 257-02039 Valve Assembly 319847-401 Constructed with durable materials and

Constructed with durable materials and silver cadmium oxide contacts

which minimizes slippage and reduces vibration for quieter operation in air handling units and compressors

Universal Compatibility: Rated for 120V

this low-pressure cutout switch prevents compressor damage due to loss of charge or evaporator coil freeze-ups

5A circuit breaker acts as a resettable safety

Siemens Building Technology 257-02039 Valve Assembly 319847-401 Constructed with durable materials andThe Siemens Building Technology 257 02039 is a professional grade 2 way normally open pneumatic valve assembly from the Powermite 599 Series, engineered specifically for the proportional control of hot or chilled water in terminal units like convectors and fan coils. This unit features a 1 2 inch forged brass body with a durable brass trim, utilizing an NPT x Union Male connection for simplified fieldwork and fitting. With a 2. 5 Cv flow coefficient