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#5
08-03-2009, 11:29 PM
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Yeah Ive got water basically from the returns to the check valve which is about 4-6 inches above the return pump. So there could be a bubble of air between the pump and the check valve.
I am starting to wonder though if my pump is powerful enough to blow open the check valve. Ive taken it off and hooked it up to a hose and water blows through it when on a hose. My pump is a 1584 GPH submersible Eco Plus pump. Are these check valves rated at a certain gph in order to be opened? 
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