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It is frequently used in PTAC and room air units
For contractors servicing solenoid-operated systems
Optimized Performance: Sustains 1075 RPM to provide the exact CFM required for proper heat rejection in commercial refrigeration and AC systems
Precision Flow Path: Designed with standard female NPT threads for secure
93A) reduces total system energy consumption while maintaining required CFM
Siemens Building Technology 257-02056 Valve Assembly Refrigerant It is frequently used inThe Siemens 257 02056 is a professional grade 2 way normally open pneumatic valve assembly engineered for precise proportional control in heating and cooling applications. This 1 2 inch NPT x Union Male unit features a forged brass body and stainless steel trim, ensuring high durability and resistance to scaling in demanding hydronic systems. With a 2. 5 Cv rating and equal percentage flow characteristic, it provides stabilized heat output even under
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