Replacing Hot Water Valve Under Kitchen Sink

With a few household tool.

Replacing hot water valve under kitchen sink.

One for the hot water supply and the other for the cold. Turn off the main water supply for the house. Typically there are two shut off valves installed underneath the kitchen sink. These inexpensive little valves rarely get used and when they do sometimes they leak.

Open the cold water handle of the kitchen faucet and let the water drain out if you re replacing the cold valve. The cold water supply line from the wall is dripping water slowly. Replacing a shut off valve compression valve or angle stop may seem like a daunting task but it really takes less than 5 minutes. I am replacing the faucet in my kitchen.

When cutting the supply line cut slowly and gently so. The shut off valves are easy to spot. I have the faucet installed in the sink but not connected to the hot and cold water. Place a bucket under the old valve.

Put a bucket under the drain pipe. There are two basic types straight stops and angle stops and these valves normally remain on and are seldom closed functioning maintenance free for years. Deburr the pipe with a deburring tool. 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.

Open the faucet to drain the line. Open the cabinet below the sink and remove anything stored there. My water supply valve under the kitchen sink leaks. 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.

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. The water to a kitchen or bathroom sink is supplied through small copper or flexible neoprene tubes from a small control valve called a stop or shut off valve under the sink. Look for two sets of valves that have oval shapes. Turn off the next valve up the line which may be the main water supply valve.

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. Start with the kitchen sink shutoff valve turn the taps to the off position. The hot and cold water supply under the sink is turned off at the valves.