... screen, bright and visual5. Single tank control valve, no water discharge when regeneration6. Double operate timing ... (This operation carried out by professionals)The valve offer two operation modes calculating by day or ... valves. Main parameter1. Base: 2-1/2-8NPSM2. Inlet/outlet: 3/4 F3. Outfall: 1/2 M4 ... RO and UF membrane housing, RO system, Accessories(valve, distributor, tank head, etc.) We have 7 ...