Replacing Hot Water Shut Off Valve Kitchen Sink

Open the faucet to drain the line.

Replacing hot water shut off valve kitchen sink.

Shut off the circuit breakers to an electric water heater. Open the cabinet below the sink and remove anything stored there. The cold water supply line from the wall is dripping water slowly. These inexpensive little valves rarely get used and when they do sometimes they leak.

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. If you have a gas water heater turn the knob to the pilot position. The shut off valves are easy to spot. Place a bucket under the old valve.

Typically there are two shut off valves installed underneath the kitchen sink. Look for two sets of valves that have oval shapes. 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. My water supply valve under the kitchen sink leaks.

Turn off the main water supply for the house. Prepare for valve replacement. I am replacing the faucet in my kitchen. To replace a shut off valve in the kitchen sink you need to locate the valves that turn the water supply on or off.

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. Turn off the next valve up the line which may be the main water supply valve. Then open a faucet on the lowest level of your house and another faucet on an upper level to drain the pipes. Open the cold water handle of the kitchen faucet and let the water drain out if you re replacing the cold valve.

Put a bucket under the drain pipe. Deburr the pipe with a deburring tool. Start with the kitchen sink shutoff valve turn the taps to the off position. One for the hot water supply and the other for the cold.

Shut off the water at the main shutoff valve. The hot and cold water supply under the sink is turned off at the valves. I have the faucet installed in the sink but not connected to the hot and cold water. 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.