Turn on a faucet somewhere in the house and shut off the main water valve.
Main water shut off valve old house.
Three ways to quickly locate the water shut off valve find the water shut off valve on the inside perimeter.
With the water off open the faucets and showers in the building to drain any water left in the pipes.
If the indoor shutoff valve is not stopping water flow the local water department has access to a shutoff valve near the street and can be called to shut off water while work is performed.
If the homeowner accessible shutoff is not holding the water utility usually has access to another shutoff in the street.
You ll need an adjustable wrench a bucket and slip joint pliers.
Turning off this valve by turning it clockwise cuts off the water supply to the entire house.
The water main shutoff valve could be in a number of places depending on the age of your home and the climate of.
The first step is to physically search for your house s main water shut off valve on the inside of the home.
Ask this old house plumbing and heating expert richard trethewey shows how to replace a main shut off valve that is not closing properly subscribe to this ol.
Here s how to switch off the water main shutoff valve.
Private systems if you get your water from a well you don t have a meter and the shutoff valve could be anywhere.
The main shutoff valve in your house probably has one of two designs.
If you ve never shut off the main water valve before test it before you leave on vacation.
The main shutoff valve allows a full flow of water through the pipe when it s open.
Typically it will be located on the perimeter of the house since that is where the water first enters your house.
Then remove the short bonding jumper.
All water flow should stop.
When working in a multifamily home or if the main shutoff is damaged water can be held back temporarily by freezing the pipe.
Replacing the main shutoff valve is a risky job that should be left to professionals only.
The main shutoff valve is connected to the pipe just before or after the meter.
An old gate valve can break so be gentle when you re handling it.
At that point you re ready to shut down the water and replace the valve.
Then loosen the coupling nut and remove the nipple from the old valve.