Types of vents are numerous. Do you know what an island vent is? How much do you know about relief vents? Depending upon your level of knowledge in the plumbing trade, you might be aware of all types of vents, but not all readers are. Before we jump into sizing examples, I’d like to make sure that all of my readers are aware of the various types of vents. With this in mind, I will provide a number of vent drawings for readers to devour. So, let’s get on with the visual examples of various vent types.
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FIGURE 5.17 ■ Circuit vent with a relief vent. (Courtesy of McGraw-Hill)
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