Siemens Building Technology 257-02056 Valve Assembly Refrigerant The Carrier HN61KL604 Relay is

The Carrier HN61KL604 Relay is a heavy-duty

93A) reduces total system energy consumption while maintaining required CFM

Precision Flow Path: Designed with standard female NPT threads for secure

For contractors servicing solenoid-operated systems

Siemens Building Technology 257-02056 Valve Assembly Refrigerant The Carrier HN61KL604 Relay isThe 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