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#1 |
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Member
Trade: Masonry restoration
Join Date: Jun 2008
Location: philadelphia
Posts: 78
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Venting Issue
A few yeas back i had an additional put on. In the original house, i had a full bath and powder room with a sink. they added a stall shower and i asked about the venting. well needless to say, it bubbles in the downstairs basement. my question is, besides ripping up the bathroom, is there a way i can vent in the wall cavity ?
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#2 |
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Fentoozler
Trade: Professional Pie and Pastry Taster
Join Date: May 2007
Location: New Jersey
Posts: 5,585
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Re: Venting Issue
Air Admittance Valve or Stupor vent ~ IF ALLOWED/LEGAL in your location.
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#3 | |
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The Old Master
Trade: Plumbing & Heating
Join Date: Jul 2009
Location: Allentown, PA
Posts: 91
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Re: Venting IssueQuote:
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| The Following User Says Thank You to Plumber_Bill For This Useful Post: | mics_54 (09-19-2009) |
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#4 |
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the pipe master
Trade: plumbing, solar
Join Date: Oct 2008
Location: Central, Fl
Posts: 497
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Re: Venting Issue
AAVs will not work in all situations. It depends on where/what the problem are.
They won't work if there are bellies in the line or if there is a high volume fixture like a laundry machine between the addition to be vented and the closest VTR.
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Plumber, Repiping, Replumbing, Leak Detection, Solar Water Heater, Polk County Plumber, Lakeland Plumber, Winter Haven Plumber |
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#5 |
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Eater of sins.
Trade: Designer/Drafter Extrordinaire
Join Date: Sep 2008
Location: Orange County, CA.
Posts: 1,238
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Re: Venting Issue
Is the question about the pipe venting or venting of air in the basement or upstairs bathroom shower room?
Andy.
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www.draftinginoc.com |
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#6 |
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Pro
Trade: Construction
Join Date: Jun 2009
Location: VA
Posts: 4,702
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Re: Venting Issue
Remember that a AAV/durgo is only for negative pressure problems. It sounds like you have a positive pressure problem. As long as the traps ain't being sucked dry then it sounds like the vent to atmosphere is either non existent or to small.
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| The Following User Says Thank You to BCConstruction For This Useful Post: | protechplumbing (09-18-2009) |
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#7 |
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Member
Trade: Masonry restoration
Join Date: Jun 2008
Location: philadelphia
Posts: 78
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Re: Venting Issue
The issue started right away. the bathroom is actually on the first floor, not the basement. Every time the upstairs toilet is flushed, the downstairs toilet bubbles up and you can hear the air being pushed up through in the form of big splashing bubbles. also from time to time, the downstairs toilet will not flush, and after plunging and flushing the upstairs toilet, the downstairs will all of a sudden get sucked through hard. hope this explanation is better.
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#8 |
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Pro
Trade: Construction
Join Date: Jun 2009
Location: VA
Posts: 4,702
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Re: Venting Issue
It sounds like the toilet waste pipe is too small. I see this happen once when a guy had reduced down from 4" soil pipe to 2" waste pipe and when you flushed one toilet on the same run as another toilet it would cause a plunger effect and the air in front of the water would be pushed out of all the lower traps and toilets. There are a few other reasons that could cause this. Blocked wastes, T's fitted in the wrong direction, Bad pipe sizing and so on. I would get the guy back who fitted the bathroom.
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#9 | |
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The Old Master
Trade: Plumbing & Heating
Join Date: Jul 2009
Location: Allentown, PA
Posts: 91
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Re: Venting IssueQuote:
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