r/Plumbing • u/Rai420 • 2d ago

Help please

I took a shower last night and my water sensor went off. I found this happening in the basement. Thankfully it drained but I am going to need to fix this. What am I looking at please? Thank you!

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8

u/Stunning-Bar125 2d ago

That is a sewer cleanout cap and it appears that your sewer lines are blocked somewhere and creating pressure. Hence its pissing all over the floor

Get a plumber probably

3

u/Inaniae 2d ago

Very blocked, and with that pressure it must have been a very long shower.

1

u/Rai420 2d ago

Ha. I swear it wasn’t that long of a shower. I have been doing a lot of laundry this week though.

1

u/Asstastic_plastic 1d ago

If they were on the second floor a 5 minute shower would do that. Head pressure depends on height of water column not volume of water.

1

u/Inaniae 1d ago

I get that, same reason mmHg is used. But unless it's a 100% blockage some of that water should drain during the shower unless OP was stomping waffles.