ejector pump flowing back after 1 min

30 Jul 2006
Reaction score
United Kingdom
The ejector pump pumps directly to the septic tank.
After about 1 minute, I can hear some gurgling and it sounds like water coming back through the pipe.
Anything I can do to see what the problem might be?

It's in the pipe closest in the video.
the bizarre thing is that that pipe closest in the picture has a 90 degree bend into the floor again.
I can replace the check valve to test it out.
do i just run the pump cycle then disconnect it then undo the nuts on the pipe?
I hear a water hammer sound when the pump stops so that must be the valve working?


How do I know if the check valve is ok?
Should I just seal all the joins with silicone or put an acryclic box over the pump and seal it?

Secondly, if I buy a new check valve, how can I be sure the pipe isn't just going to continually backflow if there is a problem downstream?
Is there a way to open the bucket on the floor and push the valve open so it drains completely into that first?
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As that link does not work its difficult for anyone to help you!

You can edit it.

There are expert firms specialising in septic tanks.


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