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.
Replacing drain pipe under kitchen sink.
This video shows how to assemble drain pipes under a sink.
Traps come in 1 1 4 inch standard bathroom sink or 1 1 2 inch standard kitchen sink inside diameter sizes.
If you are looking for an easy step by step instructional on how to plumb a drain then this is it.
Traps are made from abs black pvc white or brass either chrome plated or natural colored.
When replacing a p trap you should use the same type of trap you remove.
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.
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.
When you see water on the bottom of the cabinet under the kitchen sink it means a pipe or a pipe connection is leaking.