I-valve ye-solenoid yochungechunge lwe-2WA iyi-valve ye-solenoid yamanzi yethusi yomoya.Isetshenziswa kabanzi emikhakheni eyahlukene yezimboni neyezentengiselwano, njengemishini ezishintshayo, amasistimu okulawula uketshezi, nemishini yokuhlanza amanzi.I-valve ye-solenoid yenziwe ngezinto zethusi, ezinokumelana nokugqwala namandla aphezulu, futhi ingasebenza ngokuzinza isikhathi eside ezindaweni ezinokhahlo.