Hello all, I just had a SuperFLO VST 1.5 installed today (by the folks who normally maintain my pool) and noticed that some of the startups have what sounds exactly like a party kazoo. (see link below for video recording) Either that or someone relieving themselves of a night of pretty gnarly indigestion. It lasts about 4 seconds, and seems to happen during priming. Inlet basket area is nicely full of water. Air is removed from filter dome. Pressure reads roughly 15psig. It runs fine otherwise. But this is probably a concern right?