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he calculations of vent systems are not very difficult to understand. There are sizing tables that you can use to compute pipe sizes. Plumbers need to understand the types of vents and master plumbers must be able to assign pipe sizes to them. The task is important, but not really very difficult for experienced plumbers. In many cases, engineers and architects are the ones who design plumbing systems. This is okay. But, it is not always the case. Having the ability to size a vent system is something that is basically a requirement for a master plumber’s license. Of course, there are many types of plumbing vents. We can talk about dry vents, wet vents, branch vents, yoke vents, and lots of other types of vents. Before we get into the sizing of vents, I want to identify typical types of plumbing vents.
This may be old news to you. If it is, skip past the section and jump right into the sizing information. But, if you are not versed in the full arrangement of vents, you might enjoy the illustrations that I will provide to indicate the basic ingredients of various types of vents.
