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or evaporator coil icing due to restricted refrigerant flow
Versatile Application: Engineered for high-temperature environments
ensuring the system matches output precisely to the thermal load demand
preventing ghost flows and optimizing energy efficiency in fan coil or baseboard heating setups
Siemens Building Technology 257-02039 Valve Assembly 320720-756 or evaporator coil icing dueThe 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
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