Shanduko yehutsi/yemvura inochinja chinhu chakakosha chinoshandiswa mumashandisirwo akasiyana siyana kuona huwandu hwemafuta kana mvura mutangi. Inoshanda nekushandisa float mechanism inokwira kana kudonha pamwero wemvura. Kana iyo inoyangarara ichisvika padanho rakafanotemerwa, inokonzeresa switch, kutumira chiratidzo kune control system. Chiratidzo ichi chinogona kushandiswa kutanga zviito zvakaita sekutanga pombi, kuvhara vharafu, kana kuzivisa mushandi. Iyo nhanho switch inowanzogadzirwa kubva kune yakasimba zvinhu kuti imirire nharaunda dzakaomarara uye inowanikwa mumhando dzakasiyana, kusanganisira mechanika, capacitive, uye ultrasonic, kuti ikwane akasiyana emvura mhando uye saizi yetangi. Inoita basa rakakosha kudzivirira mafashama uye kuve nechokwadi chekushanda kwakanaka mumaindasitiri, mota, uye pekugara.