Hoʻohui ka Purity fire water system PVK i ka maʻalahi, ka pono, a me ka maikaʻi o ke kumukūʻai me nā hiʻohiʻona holomua e like me ka hoʻololi ʻana i ka mana lua. ʻO kāna mau koho pāpaʻi maʻamau a me ka pahu kaomi diaphragm lōʻihi e lilo ia i mea koho maikaʻi loa no ka hōʻoia ʻana i kahi lako wai ahi hilinaʻi a maikaʻi i nā ʻano like ʻole.