Ko te Valenoid Valve he waeine mana, ina hiko hiko ranei, de {{0} ranei, ka kati, ka tuku rere rere ranei. I te wa e kaha ana, ka hangaia he mara irirangi e tarai ana i te kaipatu ki te mahi o te puna. A, no te {{3} Kia tupato, ko te kaipara, he nui ranei ka whakahokia ki tona turanga taketake na te mahi o te puna. Ko te kaiwhakaari te ahua o te electromagnet.
