Ko te Test & Drain Valve he momo valve me te mahi whakamatautau me te mahi whakaheke tere.Ko tenei raupapa ka taea e koe te tirotiro me te whakamatautau i te rere i roto i te Tirohanga Matakite, katahi ka rere te rere o te rere.
Ingoa Waitohu:Reiona
Ingoa Hua:Takiwa Whakaoho Waipuke
Rauemi:Te rino ductile
Te pāmahana o te Pāpāho:Te Waahi Teitei, Te Waahi Iti, Te Waehenga Waenga, Te Waahi Tika
