Siemens Building Technology 257-02046 Valve Assembly R-407C this Weil McLain gauge glass

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

Key Benefits Normally Open Operation: Ensures flow remains uninterrupted during power loss

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

and RACINE series models

Avoid downward flow installations as gravity may interfere with the switch reset mechanism

Siemens Building Technology 257-02046 Valve Assembly R-407C this Weil McLain gauge glassFor 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