Vallet valve ni igikoresho cya electromencal gikoreshwa mugukoresha urujya n'uruza rw'amazi atandukanye na gaze muri sisitemu. Ikora ukoresheje igiceri cya electromagnetic kugirango ikore plunger, ifungura cyangwa ifunga valve. Iyo hari amashanyarazi anyuze mubiceri, bitera umurima wa magneti wimura plunger, bigatuma amazi atemba binyuze muri valve. Iyo iki gihe cyazimye, plunger isubira mumwanya wambere, gufunga valve no guhagarika imiyoboro y'amazi.
Imyanya ya Solenoid ikoreshwa muburyo butandukanye bwa porogaramu, harimo no kwikora mu nganda, Sisitemu yo kugenzura Amazi, Sisitemu yo kuhira, Sisitemu yo kuhira, Sisitemu ya Hvac, na Sisitemu ya PNEAM. Batanga ibikorwa byihuse kandi byizewe, bigenzura neza ibipimo bigenda, kandi biboneka muburyo butandukanye kugirango bihuye nibisabwa bitandukanye.
