John,
I had a similar "bubbling" issue at work several months ago. I
thought venting also, but our plumber said it was almost always the
result of a blockage in the drain line somewhere. Our sinks and
toilets seemed to work fine, other than the bubbling. When he ran his
camera down the line, there was indeed a partial blockage. Once that
was cleared, the bubbling went away.
BillG
OKC
-------- Original Message --------
Subject: [Shop-talk] Fw: an new one on me... plumbing
From: "john niolon" <jniolon@bham.rr.com>
Date: Sat, October 04, 2008 7:36 pm
To: "shop-talk" <shop-talk@autox.team.net>
We have a standard three br/2 bath house with 4" pvc sewer
plumbing... no
problems in 15 years... septic tank has been cleaned out three
times in that
time (health dept rules for a bakery business in the house)
I'm redoing a bathroom (had to remove toilet) it's across the wall
from the
laundry room. I noticed while working in the bathroom that when the
washer
drained ...the suds from the washer came back up through the toilet
piping...cleaned up the mess and thought it was just cause the pipe
was
open.
later after reinstalling the toilet...when the washer drains I get
heavy
bubbling in both toilets now... never seen that before... both
toilets seem
to flush well and no other problems with sinks in kitchen, baths or
bakery...
I'm brainstorming here (not a lot of thunder and lightening in that
storm)
and wonder if it might be a vent problem ??? or an obstruction in
drain
pipe ??? washer never overflows or caused any problem before...
watyallthink ???
thanks
John
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