977 Btu/h at standard rating conditions

Common Questions What causes a defrost control like the S1-025-35383-000 to fail

providing consistent performance for media such as air

000 BTU/hr relief capacity when set at its standard 15 PSI relief pressure

Specifically engineered for Amana PTAC units

Siemens Building Technology 658-0012 Valve 328140-751 977 Btu/h at standard ratingThe Siemens Building Technology 658 0012 is a heavy duty 1" N O pneumatic radiator valve engineered for proportional control in two pipe steam or hot water heating systems. As part of the professional grade Siemens Powertop 658 Series, this angle union valve features a 10 Cv flow coefficient and a field tested 2 6 psi spring range. Designed for the rigors of commercial mechanical rooms, the unit includes a stainless steel stem for enhanced durability