Siemens Building Technology 257-02031 Control Valve Assembly 326058-756 Integration with the appliance's existing

Integration with the appliance's existing gas valve and mounting bracket ensures seamless HVAC replacement part compatibility for units requiring a large-format 18" heating element

It meets NEMA MG1 Part 31 requirements

and weathering

Loosen the set screw on the movable flange and rotate the flange half-turn at a time to expand or contract the pitch diameter

Key Benefits Precise Thermal Sensing: Utilizes bimetallic technology for accurate stack temperature monitoring and rapid response to flame failure

Siemens Building Technology 257-02031 Control Valve Assembly 326058-756 Integration with the appliance's existingFor veteran mechanical contractors managing commercial hydronic systems, the Siemens 257 02031 provides a reliable, field proven solution for precise fluid regulation. As a core component of the Powermite 599 MT Series, this 2 way normally open pneumatic control valve is engineered for terminal units, hydronic heating coils, and chilled water applications. The assembly integrates a high performance 1 2" brass globe valve with a 2 inch pneumatic