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Ken Meyer

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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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