Waste/stack


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Old 03-15-18, 09:28 AM
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Waste/stack

I have to reroute a 1 1/2 waste vent pipe, is it possible to vent it through an exterior wall?
 
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Old 03-15-18, 11:07 AM
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Yes, but it's ugly. This article describes venting. The section titled Table of Plumbing Vent Clearance Distances to Building Features describes where the vent can terminate.

Running a vent outside through a wall was generally only done on old, pre-indoor plumbing houses. Doing it now would be a clear sign of a hack/amateur job. Most houses it's possible to route the vent line up inside the walls and through the attic and roof.
 
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Old 03-15-18, 04:35 PM
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Depending on your locale and what it's venting, you could also use an air admittance valve (AAV). A vent out of the house is always preferred, but it's a possibility if you don't have any other good solutions.
 
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Old 03-17-18, 05:27 AM
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Thank you for the link, very helpful
 
 

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