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Author:
Laniik (WA)
I just moved into a house with a coveted basement. It has a sump pump that pumps the sewer up to the street level. For some reason, this pump will turn on every twenty minutes or so, even when no-one is using any plumbing (eg at night). It runs for five seconds or so then ends with a huge thunk. Really disturbing!
Why would it run all the time? Is that normal. The only other detail is that I have a radiant heating system. Could it be draining water all night? Thanks!
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Author:
m & m (MD)
It is running because water is entering the receptor. It's doing its job. It is up to you to determine where the water is coming from (or a plumber).
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Author:
North Carolina Plumber (NC)
Depending on the size of the pit and length of the piping, it could possibly be a bad check valve allowing backflow into the pit causing the pump to run. Leaky toilet flappers could cause the pump to come on also.
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Author:
packy (MA)
i'm betting on a leak back from the check valve.
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Author:
srloren (CA)
Could it be that the float is stuck and not able to rise to shut off the motor? If there is no water in the pit, that is a possibility. Another possibility is a bad switch. But first check if you have water in the pit.
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Author:
Big Al (WA)
Depending on where you live in Washington there are some (very few anymore) that allowed plumbers to run the storm water /rain into the sewer?? Ask your sewer district who you pay your bill to if that's ok if so you may want to think about a back up in the event this one fails if not have someone like myself look into it you probably need a new water tight receptor/sump!!
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