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Ken Meyer

AAV

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This was odd. The kitchen sink had a Studor vent, but it already is vented through the roof. 100 year old house, it has the smaller vents running up the exterior and through the eaves.

The exterior vent was wonky, the Fernco coupler is distorted because of the angle and the fact that there's nothing else holding the 2" cast iron vent up. You can see how the boot of the roof jack is distorted from the weight of the vent pipe pulling it down.

It makes me wonder if the exterior vent was not functioning and the work around was to install the AAV.

What do you guys think?

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tn_2011623233612_kitchen%20vent.jpg

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tn_2011623233639_kitchen%20vent%202.jpg

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I'll bet the old pipe is leaning south because it's cut off inside the wall. It wouldn't turn if it was still attached.

There's no predicting what you'll see in an older house. Some mysteries may never be solved. [:)]

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