One reason you might need to replace the main shut-off valve is that sometimes sink and toilet supply lines can spring leaks ...

There is no standard location for water shut-off valves within homes, but depending on how your home is built, there are a few simple ways to find it. Check the Basement.

If that valve needs replacement, contact your water utility to shut off the main valve at the curb. The post Home Repair: How to Replace the Main Shut Off Valve appeared first on Family Handyman .

First, here are the tools you need: One shower shutoff valve, one roll of Teflon pipe tape, and one pair of vice grip pliers. The total cost of this project was $5, the cost of the valve itself.

Mr. HP has never closed or opened a shut-off valve that didn't leak at least a small amount of water. The Gordon Wrench is, and has been for years, an indispensable tool in Mr. HP's toolbox.

If you are not able to shut it off, you can call the department and a team will be dispatched to do it for you at no cost, he said. That number is 843-727-6800.