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ransley ransley is offline
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Default Sump pump backflow?

On Apr 21, 8:45*pm, (det1015)
wrote:
I moved into my house durring this winter and now going through spring
thaw, it has also been raining for 3 days straight and now the sump pump
in my basement that I have not had any issues with before is backing up.
My utility sink and washer both drain into the sump pump crock so the pump
runs frequently and has never backed up before. I checked it out to see if
the float was maybe lodged on something and it seems fine. I started
taking the water out and emptying it into a bucket but no matter how much
water I take out of the crock the water doesnt get any lower. So I sat and
watched to see what the pump was doing. It will kick on and I can here the
water draining through a pipe in the basement wall but it will only run
for about a minute and drains about 1/2" of the water then stops, when it
stops the same amount of water runs right back into the crock from the
drain pipe and I'm right back where I started. I know that there shouldnt
be any backflow into the crock. Any ideas???
det1015
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a 1/4 hp sump at about 6 ft head should pump about 25 gpm, so you are
dumping 25 gpm back in? does the pump turn on and off with the float
rod, you said no but you said it runs a minute so it sounds like the
float works. This makes no sense, your pipe wont hold more than maybe
a gallon or so unless you have a real long run. A new pump and check
valve is cheap. You are probably wasting enough electricity to pay for
a new pump in a few months.