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Richard Trethewey shows Kevin O’Connor two common rough plumbing conditions in the Lexington kitchen: a main sink that has a traditional drain and vent configuration, and an island prep sink, which requires a bow vent in order to work properly.
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This Old House is America’s first and most trusted home improvement show. Each season, we renovate two different historic homes—one step at a time—featuring quality craftsmanship and the latest in modern technology. We demystify home improvement and provide ideas and information so, whether you are doing it yourself or hiring out contractors, you’ll know the right way to do things or the questions to ask. Our experts including general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Jenn Nawada, master carpenter Norm Abram, and host Kevin O’Connor give you the tools you need to protect and preserve your greatest investment—your home.
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How to Drain and Vent a Kitchen | This Old House