I have Zoeller M1052. About a weep hole: The instructions say "Drill a 3/16 in vent hole in discharge pipe level with top of pump. Pumps have a vent located in the pump but an additional vent hole is recommended." So, I did that, between the pump and check valve i.e., below the check valve. Question: Should the weep hole be above or below the water line? The hole is above the water line. The water never gets that high. Most advice I find on the web says that the weep hole should be below the water line. A minority say above the water line. Zoeller makes no mention that the weep hole should be above/below water line. What's the advice on this forum? Thanks for your time.