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the AAE series valves typically feature an adjustment screw
this low-pressure cutout switch prevents compressor damage due to loss of charge or evaporator coil freeze-ups
which minimizes slippage and reduces vibration for quieter operation in air handling units and compressors
provides the flexibility needed for complex building automation
Universal Compatibility: Rated for 120V
Siemens Building Technology 257-02039 Valve Assembly 319847-401 the AAE series valves typicallyThe 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