Replacing Hot Water Valve Under Kitchen Sink

The shut off valves are easy to spot.

Replacing hot water valve under kitchen sink.

Turn off the main water supply for the house. One for the hot water supply and the other for the cold. If this happens to you you can simply replace the valve with a new valve that matches the old one. These inexpensive little valves rarely get used and when they do sometimes they leak.

Start with the kitchen sink shutoff valve turn the taps to the off position. Open the faucet to drain the line. Place a bucket under the old valve. The shut off valve under a sink can go unattended for years without giving any problems but once it starts leaking it can lead to a mess quickly.

You should see a large pipe usually made of pvc that has a vertical bend in it before running horizontally to the back wall or rarely down to the floor. With a few household tool. Under sink shutoff valves also called fixture shutoffs or stop valves allow you to turn off the water to the sink or other fixture without having to use the home s main shutoff. Replacing a shut off valve compression valve or angle stop may seem like a daunting task but it really takes less than 5 minutes.

Open the cabinet below the sink and remove anything stored there. Look for two sets of valves that have oval shapes. Ignoring minor leaks can waste up to three gallons of water every day and can also lead to permanent water stains and rot under your sink. I am replacing the faucet in my kitchen.

My water supply valve under the kitchen sink leaks. The cold water supply line from the wall is dripping water slowly. 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. Open the cold water handle of the kitchen faucet and let the water drain out if you re replacing the cold valve.

The hot and cold water supply under the sink is turned off at the valves. To replace a shut off valve in the kitchen sink you need to locate the valves that turn the water supply on or off. Deburr the pipe with a deburring tool. I have the faucet installed in the sink but not connected to the hot and cold water.

Put a bucket under the drain pipe. Typically there are two shut off valves installed underneath the kitchen sink. When cutting the supply line cut slowly and gently so.