Leaking Plastic Pipe Under Sink

The leak is coming from where the plastic nut on the drain pipe meets the bottom of the bathroom sink.

Leaking plastic pipe under sink. How to diagnose a p trap leak a p trap leak isn t like a leak from a pressurized water pipe and because it only happens when water is draining from the sink you might not know it s there until water. You open the sink cupboard door and oww. How to fix a leaky plastic sink drain pipe. When tightening connections doesn t do the job things may be complicated enough to warrant calling a plumber.

It is leaking down into my bathroom cabinet and getting everything wet. Find the exact source of the leak because pipe leaks in the middle of a straight run might use a quick fix method that is different from what is needed near a pipe fitting. Look for where the drip is originating. Place a 1 gallon plastic bucket under the p trap the bend in the plumbing and turn on the water at the sink.

If that pipe called a trap or p trap is leaking either fix it or replace it with an inexpensive new one before water damages the area under the sink. In many cases it comes from loose fittings especially the coupling nuts that connect the pipe sections together. It s far more likely for water to leak from a bad connection and fortunately every connection under the sink is easy to tighten. Before you attack your leaky pipe problem examine the pipes underneath the sink to identify the culprit.

These connections are quick and permanent as the plastic parts are chemically fused together with solvent cement. From the sink drain the tailpipe leads into a. Plastic pipes do not require the same level of expertise to repair that metal pipes require and the pipes are cheaper to replace should you opt to do so. Don t panic it s a straight forward job that in most instances does not require any too.

There is water everywhere. When a p trap leak occurs it s usually because the nuts aren t tight enough the pipes are misaligned or a p trap washer isn t seated correctly. Pvc pipes and joint fittings are typically glued together with pvc solvent glue. Remove any supplies or equipment from the area under the pipes.

The faucet works great but the drain pipe is leaking under the sink. I installed a new bathroom faucet and it came with a new drain pipe and sink drain outlet flange. Once the water supply is shut off decide how to fix a leaky pipe temporarily to prevent damage until a more permanent repair can be made. A permanent repair usually.