Siemens Building Technology 257-02032 Valve Assembly 323055-751 allowing for a complete rebuild

allowing for a complete rebuild of the union faces to ensure a leak-resistant joint that meets lead-free requirements for potable water and commercial HVACR applications

Two SPDT Switches

Precision Balanced Impeller: Minimizes mechanical vibration to extend the service life of both the motor and the heat exchanger mountings

Maintains venting system efficiency by optimizing exhaust gas velocity through the flue pipe

the S8407-034 is the updated and direct replacement for the 8407-034 and other earlier versions

Siemens Building Technology 257-02032 Valve Assembly 323055-751 allowing for a complete rebuildThe Siemens Building Technology 257 02032 Valve Assembly is a contractor grade solution designed for precise fluid control in terminal unit applications such as convectors and fan coil units. This 2 way normally open valve features a compact 1 2 inch NPT connection and a 0. 63 Cv equal percentage flow characteristic, ensuring linear heat output across a wide range of operating conditions. Built with a rugged forged brass body and reliable brass trim,