Siemens Building Technology 257-02041 Valve Assembly 321142-301 it provides superior protection against

it provides superior protection against contaminants in mechanical rooms

monitoring the discharge air temperature and sending resistance signals to the amplifier to adjust the gas pressure at the modulator valve

and TP973 pneumatic controllers

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

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

Siemens Building Technology 257-02041 Valve Assembly 321142-301 it provides superior protection againstThe 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