Replacing Water Lines Under Sink

Step 2 remove old lines.

Replacing water lines under sink.

If you are connecting the refrigerator water line to the sink water line the piping below the sink typically has its own hot and cold shut off valves. If a bathroom faucet flexible water supply line or a rigid metal water supply line under a bathro. Sink water lines are short 1 2 inch diameter flexible tubes that connect the faucet to the plumbing fixtures under the sink. Deburr the pipe with a deburring tool.

Depending on the accessories that go with your faucet you may see other water supply line types under the sink. Place a bucket under the old valve. The extra hoses that connect the faucet diverter to the sprayer or if the faucet is a widespread model to the handles are also usually 1 2 inch in diameter but they have proprietary quick connect fittings that vary by manufacturer. Most new faucets include a gasket of some type to create a seal between the faucet and the sink but it s still a good idea to apply a bead of clear silicone caulk to the bottom of the faucet and the bottom of the gasket to ensure a good seal.

This easy to use how to guide will show you everything you need to do to repair a leaky water supply line to your sink. Cut the supply line with a pipe cutter leaving enough room between the escutcheon plate and the cut to allow installation of the valve fitting. This will save you a lot of money in calling a plumber to your home to do the work. They are user friendly and available in any hardware store.

If a water supply line to your sink is leaking you can easily replace the line and repair the leak yourself. Turn off the next valve up the line which may be the main water supply valve. If it is not then you will be able to simply cut off the main water supply to your home. After you attach a faucet to the sink you can attach the water supply lines that will eventually be connected to the shut off valves on the main water supply pipes.

The lines are difficult to replace because they must be. How to fix a broken water line under the kitchen sink. Typically the shut off valve will be underneath the sink. Regardless of what your supply line is made of it probably uses a coupling nut to secure it to the faucet tailpiece.

Simply screw the. Complete steps to replace bathroom sink water supply lines. You will need to get an open end wrench so that you will be able to successfully remove the supply line from the valve. Open the faucet to drain the line.

When cutting the supply line cut slowly and gently so. If it doesn t you can shut off the main water supply to the house instead.