ʻO kahi kiwikā puka noho paʻa he ʻano kiwikā i hoʻohana pinepine ʻia i nā ʻōnaehana hoʻolaha wai a me nā wai hoʻoneoneo e kāohi i ke kahe ʻana o ka wai a i ʻole nā ​​​​wai ʻē aʻe. ʻO ka hiʻohiʻona nui o kēia kiwikā ʻo ia kona noho paʻa, i hana pinepine ʻia me nā mea elastomeric e like me ka rubber a i ʻole nā ​​​​​​hui synthetic, i hoʻolālā ʻia e hāʻawi i kahi sila paʻa a ʻaʻohe leak ke pani ʻia ka kiwikā. Aia ka kiwikā i kahi puka (a i ʻole wedge) e neʻe i luna a i lalo i loko o ke kino kiwikā. Ke hāpai ʻia ka puka, ʻae ia i ka wai e hele ma waena o ka kiwikā, a i ka wā e hoʻohaʻahaʻa ʻia ai, sila ka puka i ka noho paʻa e ālai i ke kahe. Hōʻoia ka noho paʻa i kahi hana sila maikaʻi loa, ʻoiai i nā kūlana kahi e loaʻa ai nā hewa i loko o ke kino kiwikā a i ʻole ka puka. ʻIke ʻia nā kiwikā puka noho paʻa no ko lākou kūpaʻa, maʻalahi o ka hana, a me ka mālama haʻahaʻa. Hoʻohana pinepine ʻia lākou me ka lima me ka hoʻohana ʻana i kahi huila lima a i ʻole ma ke ʻano hana maʻalahi i nā ʻōnaehana paʻakikī.

ʻO ka Cast Iron Dual Plate Check Valve kahi ʻano o ka valve nānā i hoʻolālā ʻia e ʻae i ke kahe (ʻo ka wai a i ʻole ke kinoea) e kahe i hoʻokahi ala wale nō a pale i ke kahe hope. ʻO ka "dual plate" e pili ana i ka ʻano hana kūloko o ka valve, nona nā papa hinged ʻelua e wehe ana e ʻae i ke kahe o ka wai a pani e pale i ke kahe hope. Ma ke ʻano he valve nānā, ʻo kāna hana nui ka pale ʻana i ke kahe hope. Wehe nā papa ʻelua i ka wā e holo ai ke kahe ma ke ala i manaʻo ʻia, a pani koke lākou i ka wā e hoʻohuli ai ke kahe, e pale ana i ke kahe hope a i ʻole ka siphoning.