The steps for installing the sink drain will depend on how different the new sink is from the old one as well as what other components are being installed.
Under sink drain pipe.
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Drain tailpiece the tailpiece or sink tailpiece is the straight section of pipe that connects to the bottom of the sink drain fitting.
When you see water on the bottom of the cabinet under the kitchen sink it means a pipe or a pipe connection is leaking.
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Sink drain connections consist of large ring nuts that tighten against nylon.
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There aren t many reasons for changing out the drain pipes under a kitchen sink but it s not uncommon to replace the drain assembly during a kitchen renovation when the sink is being replaced.
This video shows how to assemble drain pipes under a sink.
The curved pieces of drain pipe underneath your sink commonly referred to as p traps do a lot of dirty work.
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The horizontal pipes connect to the trap with a double wye tee which has two y shaped inlets and one outlet.
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Over time they leak become corroded or get plugged with years of accumulated soap and grease.
A single trap can service more than one sink but adjacent drains cannot be farther apart than 30 inches.
The first question to ask is which one the water could be coming from the sink drain or one of the faucet water supply hoses and if you have a dishwasher it could be coming from the dishwasher drain hose.
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If you are looking for an easy step by step instructional on how to plumb a drain then this is it.
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Snappytrap snappy trap universal drain kit for bathroom sinks.
Horizontal drain pipes connecting the sink drains to the trap must have a minimum slope of 1 4 inch per foot toward the trap.
In some cases when the pipes under a sink come loose you ll notice water inside the cabinet or on the floor.