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Plumbing Vent Pipe Tip Video

What do you do when you are installing a sink and there is an obstacle in the way for the vent pipe? The code requires a cross vent pipe to be installed and connected to the existing vent pipe. If there is a copper water supply line in your way, you could cut the copper supply line, redirect it and solder it back together. There has to be an easier way.

There might be - look up! The code does not state where the cross vent pipe goes. You might be able to run the cross pipe above the copper supply line. In the video, the cross vent pipe can be installed above the copper line supplying water to the shower head. Just drill through some studs to run it to the existing vent line.

So if you run into what might at first appear to be an obstacle, stop and think it through. Look for alternatives that will work. You might have to talk to a local inspector to see if there is an alternative that will work on your project.

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