Siemens Building Technology 257-02046 Valve Assembly R-407C and RACINE series models

and RACINE series models

this Weil McLain gauge glass provides the exact wall thickness required to handle standard operational pressures without bypassing or premature failure

Field-Serviceable Design: Includes a replaceable power element and accessible internal parts for straightforward cleaning and inspection

Most OEM Reznor blades include a pre-installed set screw for securing the hub to the 1/4" motor shaft

Engineering standards for the 320720-753 focus on maintaining the pressure boundary and thermal efficiency required for PG9MAA and PG9MAB series equipment

Siemens Building Technology 257-02046 Valve Assembly R-407C and RACINE series modelsFor high demand terminal unit control, the Siemens Building Technology 257 02046 serves as a reliable 2 way normally open valve assembly designed for precision in HVAC systems. Built with a 1 inch NPT female to female connection, this forged brass body valve features a durable brass trim and maintains a 10 Cv equal percentage flow characteristic, ensuring stable control of hot or chilled water in convectors and heat exchangers. The integrated 2 inch