As long as the flow is high enough, it will keep the air out of the U tube. Power failures should have no ill effect on them.<a href=showthread.php?s=&postid=7414405#post7414405 target=_blank>Originally posted</a> by rivank
OUTSTANDING!! How reliable is the utube in providing the siphon? Will it hold if there is no flow? Or will I experience a flood effect if the flow is cut? And where the heck can I get one like that?!!