Plastic Compression Fittings Leak

Turn off the water supply to the fitting.

Plastic compression fittings leak.

When one of these pieces becomes worn broken or wasn t put on properly you ll have a leaking problem on your hands. This past weekend i installed a new water pump and tank at the house to replace the old rusted setup. Following instructions of using tape wrapped 4 to 5 times on the threads of the male fittings then going 1 5. Visit al s amazon plumbing shop http www amazon co uk shop dereton33 not the video you w.

It is on a p trap under a bathroom sink. I re plumbed a sink and put in a new trap to the wall. The compression nut the compression ring and the compression seat. The bad news is that if you get a leak in a pvc joint or pipe you can t separate the joints to replace the leaky parts.

A permanent repair usually. Pvc pipes and joint fittings are typically glued together with pvc solvent glue. Why can t i get pvc compression fitting pipes to stop leaking. This usually stops the leak.

These fittings have cap nuts on each end which tighten a compression sleeve called an olive against the tubing and the fitting stopping any leaks from forming in the process. Misalignment will cause a leak. While compression fittings are convenient they may leak if not installed correctly. Also make sure the pipe or tube goes straight into the fitting.

Why they leak and how to fix them. It could be because the pipe going into the collar isn t straight because the p trap washer isn t fully seated or because the pipe going into the collar is. These connections are quick and permanent as the plastic parts are chemically fused together with solvent cement. If you can t stop the leak by tightening the compression collar try taking the connection apart and putting it back together.

Plumberjoe id i hate plastic. I loosened every fitting and adjusted everything to fit flush and tight but i keep getting a drip on elbow fitting. The new stuff is plastic where all fittings connect. If a leak does develop there are steps you can take to fix it.

When you take it apart you ll probably see why it s leaking. Plastic threaded fittings leak. If you do get a leak there s either a problem with the fitting or the connection so you ll have to go in and fix it. If the fitting leaks after you turn on the water try tightening the nut an additional one quarter turn.