Does A Kitchen Sink Need A Vent Pipe. Do Sink Drains Need An Air Vent. Your sink needs a vent and the window makes it a little more complicated but its still totally.
Every sink needs a sink vent. To prevent traps in downstream fixtures from being sucked dry like my friends kitchen sink you install a vent pipe usually within 3 feet close to the fixture trap. Sink Drains With Overflow Size.
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The answer is yes every drain from your kitchen sink to toilet shower laundry floor drain and more all require venting. Your sink needs a vent and the window makes it a little more complicated but its still totally. A kitchen sink works really well underneath a window but it can make the plumbing a bit trickier. The centerpiece of a DWV system is the main stack usually a pipe 3 or 4 inches in diameter that runs straight up through.
