With a sink or toilet or even a washin.
Water shut off valve for bathtub.
Three ways to quickly locate the water shut off valve find the water shut off valve on the inside perimeter.
Some homes are equipped with branch valves that can be used to shut off the water supply to selected branch lines in the home.
If you re working on the actual tub shower control then you need to turn off the water for the house.
In this case the water valve is around the shower through an access panel.
Utility or laundry room.
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Typically it will be located on the perimeter of the house since that is where the water first enters your house.
If not then you can always turn off the water at the street where your water meter is.
Shower bathtub some shower or bathtub shutoff valves may be underneath the sink but if they re not check in the basement if you have one directly below the bathroom.
I think it has to do with two factors.
The first step is to physically search for your house s main water shut off valve on the inside of the home.
For example water pipes feeding outdoor hose faucets are very often controlled by in line valves that control only the pipes running to the outdoor faucets.
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When working on the shower head tub spout that is all you need.
And then there s the shower water.
There should be a main control valve for the house or section of house that has your shower.
You can find this valve near the floor right under the water supply valve.
The second factor is if the tap leaks on a tub or shower it is not a catastrophic event.
These valves will be located along the main branch pipes and are located in accessible utility areas.
Toilets on the other hand have a single valve to shut off the water as it is a household appliance that requires only cold water.
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