Siemens 373-03185 VALVE ASSY 2W NC 1", 10CV, EQ PCT BRASS TRIM FXF, FLOAT ELECTRONIC ACT NSRSiemens 373 03185 Valve assy 2W NC 1", 10Cv, Eq Pct Brass Trim FxF, float Electronic Act NSR Flowrite 599 Series Valve Assembly features a floating control, non spring return, 24 Vac electronic actuator with 30 second run time. The 2 way, normally closed, 1 inch, 10 Cv valve assembly is ANSI Class 250 and has an equal percentage characteristic, brass trim, and female x female end connections. Additional Information Valve TypeTwo way Valve Body