... override option 2way solenoid ball valve ParameterSize: 1/4",1/2",3/4",1",1 1/4" ,8mm,10mm,15mm,20mm,25mm,32mmVoltage: DC3- ... limit design,accurate position,avoid gear with switch. 3. Multi-angle assembling,easy to install. 4. Float ball structure,no leakage,especially ... Express(TNT,UPS,DHL,Fedex or EMS)/Air/Sea 2-way lower current motorized ball valve with water treament,solar hot water system