18+ Kitchen Sink Vent Pipe Replacement Kitchen Background. I bought all the metal drain pipes to replace a rotted out existing system under kitchen sink. Shop through a wide selection of kitchen sink faucet replacement parts at amazon.com.
Air vents allow air to flow into the drains. The strainer on a kitchen sink provides a waterproof connection between the sink and drain pipe and also serves to trap food to prevent it from clogging the drain. Does not tie into the rest of the drain system.
Its purpose is to equalize pressure in the pipes and prevent a vacuum from forming as the fixture drains.
Does a kitchen sink with a double bowl need a vent. Most of the drain pipes under the sink are plastic, with the exception of the. Without venting, the negative pressure caused. My water supply valve under the kitchen sink leaks.