Wrench It Up > Academy > DIY > How To Replace A Shut Off Valve?
Replacing a shut-off valve is a relatively simple task that can be completed with a few basic tools. Here are the steps to follow:
1. Turn off the water supply: Locate the main water valve and turn it off to cut off the water supply to the valve that needs to be replaced.
2. Drain the pipes: Open a faucet on the lower level of the house to drain the remaining water from the pipes.
3. Remove the old valve: Use a wrench to remove the old valve from the pipe. If it is a compression fitting, loosen the nut with a wrench and slide the valve off. If it is a soldered fitting, heat the joint with a torch to melt the solder and then use pliers to remove the valve.
4. Clean the pipes: Use a wire brush to clean the end of the pipe where the shut-off valve was removed to ensure a clean surface for the new valve to be installed.
5. Install the new valve: Slide the new valve onto the pipe and tighten the nut with a wrench if it is a compression fitting. If it is a soldered fitting, apply heat to the joint and use a soldering tool to create a new joint.
6. Turn on the water supply: Turn on the main water valve and open the faucet you previously opened to allow air to escape and water to flow through the pipes.
7. Check for leaks: Check the area around the new valve for any signs of leaks. If there are leaks, turn off the water supply and tighten the connections until the leaks stop.
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