Siemens Building Technology 257-02041 Valve Assembly 321142-301 this 45/23 SPDT thermostat can

this 45/23 SPDT thermostat can often be used in other systems with similar temperature requirements

Key Benefits Mounting Versatility: Facilitates both 35 mm DIN rail and surface panel mounting for maximum installation flexibility

and TP973 pneumatic controllers

this ICP 1175516 expansion valve kit

Siemens Building Technology 257-02041 Valve Assembly 321142-301 this 45/23 SPDT thermostat canThe Siemens Building Technology 257 02041 Valve Assembly is a contractor grade solution for precise hydronic control in terminal units and convective applications. This 2 way normally open valve features a 1 2 inch NPT connection and a 4. 0 Cv rating, utilizing a modified equal percentage flow characteristic to ensure linear heat transfer and stable temperature regulation. Built with a robust forged brass body and durable brass trim, the assembly is