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Is a licensed contractor required for installation
While typically used for mixed or discharge air
Precision Engineering: Fast 18ms operate time and continuous duty coil performance for high-cycle industrial environments
an imbalanced or damaged blower wheel is often the primary culprit
Siemens Building Technology 257-02068B Valve Assembly 319847-401 Is a licensed contractor requiredThe Siemens 257 02068B is a high performance 3 way mixing valve assembly designed for terminal unit applications, featuring a 1 2 inch NPT connection and a 2. 5 Cv linear flow characteristic. This assembly integrates a Siemens 599 Powermite MT Series forged brass body with a rugged 2 inch pneumatic valve actuator, optimized for precise control of hot or chilled water in fan coil units and reheat coils. The spring return pneumatic actuator operates