I have a weird problem. My laundry room and a bathroom share a common wall.
The toilet sits on the opposite side of the wall from the washing machine.
The washing machine drain and the toilet drain apparently are in this wall.
When the washing machine is draining, the toilet gurgles and water is
"siphoned" from the toilet bowl. At times, I've even seen soap suds in the
toilet bowl. We had this problem several years ago and were told we probably
had a vacuum or a blockage somewhere in a vent. Mysteriously, the problem
took care of itself but has now returned several years later. Does anyone
have any ideas?
<< were told we probably had a vacuum or a blockage somewhere in a vent. >>
So, did you do anything about it then?
<< the problem took care of itself but has now returned >>
Are you going yo do anything about it now?
<< Does anyone have any ideas? >>
Sure. Call a plumber, tell him you have a clogged or inadequate vent and let
him correct it as necessary. Good luck.
I picture a Double Tee inside the wall with the vent connection
off the top of the Tee. (other possibilities)
This arrangement may not be suitable where you have a high-flow
discharge from the washer at the same time the toilet is flushing.
Under some circumstances, solids from the toilet may back up into
the vent. Over time, the solids can form a blockage in the vent,
right above the Tee. Then you get the sudsing and siphoning you
Short term, the fix may be to drop a snake or a garden hose into
the vent terminal on the roof, assuming the vent goes straight up
and the roof is walkable.
If you use a garden hose, have someone inside to warn of water
coming out of fixtures (although I don't think it would in this case).
Fixing it inside the wall could be a big chore.
If there is room in the laundry, putting a laundry tub in to recieve
the water from the washer might fix it by slowing down the dischg rate.
Thanks for the info, Jim. We never did anything about this problem before
because it took care of itself before we had a chance to fix it. Our roof is
walkable so we will attempt the snake/hose remedy. The toilet bowl siphons
out when the washer is draining even if the toilet was not in use at the
time. We really don't have enough room in the laundry room to install a
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