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Sewer drain off pipe cap

Sgurl

New member
Joined
Sep 12, 2016
Messages
1
I live in old Victorian home which is falling apart and I doubt anything is up to code in this place! I have a plumbing question for all you plumbers out there. My landlord just installed a new toilet which is great. There is a drain pipe which runs down the side of the house , outside my bathroom window that splits at the bottom - my guess is it drains to the sewer and the capped part is so you can access the pipe to clear blockage etc... a couple of years ago I heard water gushing outside my window and when I looked out I noticed the cap had come off and my toilet, sink and tub water were gushing out. Every time I flushed it was , well say no more. Plumbers came to make sure it wasn't clogged and then replaced the cap since the old one was a 100 years old. Now a couple years later days after getting my new toilet , the same gushing sound was heard and the cap has once again blown off. I have had no plumbing issues and since I'm familiar with old Victorians, I am very careful about what gets flushed and what goes down the drain etc...could it be my new toilet with turbo flush is to powerful? My old one had a very dainty flush compared to this one. I just discovered this mess and will be contacting my landlord who happens to be a plumber but also happens to be an idiot. I hope this rambling makes sense and thanks for listening. :Toilet.
 
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gregtwojeeps

Well-known member
Joined
Jul 30, 2013
Messages
5,096
Location
Ky
Even for a clamp on cap,it reads like too much back pressure on the sewer line. The WYE and cap should be above the horizontal sewer drain line, so the water is literally pushing back upwards, and driving the cap off. JMO
 
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