Siemens Building Technology 656-0004 Valve 326058-757 single-throw logic to ensure the

single-throw logic to ensure the inducer fan is generating sufficient negative pressure before allowing the ignition sequence to proceed

Can the packing be replaced while the system is under pressure

Simplified Wiring: Includes clearly marked terminals and universal mounting brackets for efficient field replacement

What is the rotation direction for this fan motor

Quiet Operation: Precision-balanced aluminum construction reduces mechanical stress and operational noise

Siemens Building Technology 656-0004 Valve 326058-757 single-throw logic to ensure theThe Siemens Building Technology 656 0004 Valve is a specialized 1 2 inch normally open pneumatic valve designed for terminal unit applications including convectors, fan coils, and radiation systems. This 2 way globe valve features a 0. 9 Cv flow coefficient, engineered to maintain precise control of water or steam in variable pressure environments. Built with a brass body and stainless steel stem, the assembly excels in high rise building systems due