Siemens Building Technology 257-02039 Valve Assembly 319847-401 which minimizes slippage and reduces

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

5A circuit breaker acts as a resettable safety

Using a 1650 RPM motor in place of a lower-speed motor can result in excessive noise

Constructed with durable materials and silver cadmium oxide contacts

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

Siemens Building Technology 257-02039 Valve Assembly 319847-401 which minimizes slippage and reducesThe 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