Replace Toilet Water Supply Shut Off Valve

Place a bucket under the old valve.

Replace toilet water supply shut off valve.

Turn off the next valve up the line which may be the main water supply valve. Unscrew the handle the packing nut and the threaded valve stem photo 2. Then open a faucet on the lowest level of your house and another faucet on an upper level to drain the pipes. Today i show you how to quickly replace a faulty water shutoff valve under the sink.

Open the faucet to drain the line. Learn how easy it is. Use a dry cloth to wipe the piping. Drain the water lines.

Open the main water supply valve to the house. Check for leaks around the base of the tank and around the water shut off valve. If you have a gas water heater turn the knob to the pilot position. Deburr the pipe with a deburring tool.

Step 3 tighten shut off valve water supply line. Shut off the circuit breakers to an electric water heater. Start by disconnecting the water line from the valve. You need to tighten the inlet of the toilet line in the shutoff valve.

Before you remove the toilet shut off valve you ll need to drain the supply line to prevent the water remaining in the pipe from gushing out onto your bathroom floor. If there is a leak at the base of the tank tighten the supply hose gently. Residential plumbing systems can contain several different types of water shut off valves that control water flow. Use a wrench or plier for loosening the nut at the other end of the valve connected to the water supply line.

If the leak persists before replacing the entire valve try this. Shut off the water at the main shutoff valve. Slowly open the toilet shut off valve by turning counterclockwise. 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.

For leaks at the valve gently tighten the packing nut. Then disconnect the supply tube from the shutoff valve. Turn off the water at the house s main shutoff then disassemble the problematic shutoff valve without disconnecting the valve from either the water supply line or the line leading to the toilet.