Yes, as far as I know, there is no issue with running your vent pipes horizontally, but there is a certain procedure to follow here. You must keep a minimum clearance above the spill line. I was in the same muddle a few weeks ago, when we installed plumbing vents to regulate air pressure in the system. The plumber answered our question, can plumbing vent pipes run horizontal, and explained all about the system .
Can a Plumbing Vent Run Horizontal?
The plumber told us that a clearance of at least 6 inches should be there above the spill line. When I asked about the spill line, he said it’s the level where the water overflows from the rim of the sink, toilet, or tub.
Here are a few more things I learned about vent pipes.
Every drain should have a trap installed and each trap will need a vent with it.
There should be a certain amount of distance between the vent and the trap, but it depends on the actual diameter of the plumbing pipe.
Also, you need to understand the type of fitting you will need. To connect a horizontal pipe to a vertical one, you require a T-fitting for the drain line.
The plumber also talked about the ideal size of a vent pipe. He said it should be 2 inches for the bathroom, and a smaller size can be used for showers and sinks.
That’s all I know about the vent pipe system. I hope now you got an answer for, can plumbing vents run horizontally. If you have any other insights, you can share them here.
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Can Plumbing Vent Pipes Run Horizontal?
Ashlesha87
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9 months
2025-03-17T09:29:46+00:00 2025-03-17T09:29:46+00:00Comment
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