I had double check mine it should installed correct,may be the check valve cannot hold that much ,next time i brg other one to test it,shut down by hand now.
I asked tom b4 he only like to stock lumax refector kind,he do refector only.
I got a quote on a spectra already,looking A used one for frag tank too.
Also ati can go reefgeek i know greg almost 3 years already.