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 Check valve at top of sump pump discharge
Author: meganthomas320 (KS)

I have two sump pumps that have a common discharge pipe. They have a decent rise and the one has a pretty far run to get out. When one runs, a lot of water backs up into the other sump pump. While they have check valves close to the pump pit, I would like to put check valves on the distal aspects of each discharge pipe before they merge and go outside. My hope is to prevent large amounts of back up causing the pump to run more than needed. Is that a problem?

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 Re: Check valve at top of sump pump discharge
Author: packy (MA)

you can put as many check valves as you want.

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 Re: Check valve at top of sump pump discharge
Author: bsipps (PA)

The check valve has failed

The “best” place for the check valve is as close to the pump as possible this will allow minimal water to get back into the pit

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 Re: Check valve at top of sump pump discharge
Author: packy (MA)

my friend from PA..

i agree. but he said it only backed up when the other pump was running.

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