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If there are no valves under the bathroom sink, there are three other possibilities:

  1. There will be a valve on the line between your water heater and the sink.
  2. There will be a valve on the main line that comes into your house. If you have a basement, check along the wall on the side that is nearest to the street, as this is where the line comes in.
  3. There will also be a valve on the water meter, which is found at your property line near the street. The access will always have a steel cover, which is sometimes as large as a manhole.

In any case, all that it takes is a good pair of pliers to turn off the valve.

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13y ago
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12y ago

Either shut off the exsisting water as it comes into the property. Otherwise isolate it at the incoming stopcock on the street. Cut the pipe, fit the valve. Other wise call a plumber...

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Q: How do you shut off the water if there are no valves under the bathroom sink?
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Where are shut-off valves?

In every home thee are a number of shut-off valves. Where the water pipe enters the house is the main shut off, usually beside the PRV, a bell shaped device for regulating the house pressure. This main cold line will then branch off to the water heater, bathrooms and kitchen. Each faucet and the water heater and the toilet will have a shut-off valve. The hot water line comes out of the top of the heater and goes to bathrooms and kitchen. Each hot faucet also has a shut-off valve under it.


What type of valve is used to shut off a water line?

Gate valves used to be, now they are being superseded by ball valves.


Why is there no water coming out of sink faucet in bathroom but tub faucet works?

The shut off valve under the sink, the faucet itself, or most likely, the screen in the end of the spout is plugged. If neither hot or cold is coming out, it is kind of unlikely both shut off valves and both sides of the faucet would go bad at the same time. The screen being clogged would stop any water from coming out. The screen just unscrews out of the spout.


Why is there no flow from bathroom sink if water supply is on?

Additional shut off valve, below sink or in basement. Incomplete pipes not tied into bathroom sink line.


What are Disadvantage of diode valve?

the disadvantages are that over a period of time gate valves seize and become in operable. also the handles of gate valves corrode quickly and gate valves don't entirely close properly making it difficult to solder. Gate valves are used for positive shut off and Gate valves are not designed for throttling like a globe pattern type . Gate valve fail because the installer has no idea what these types of valves are intended to do such as main steam shut off's or water mains..If properly used and installed correctly these valves last over 100 years under extream conditions

Related questions

What are plumbing Rough-in stops?

Roughed-in plumbing refers to plumbing (water and waste lines) installed for future fixtures, for example, a bathroom in a basement. Stops refer to shut-off valves on water supply lines, required to shut-off the water to repair the fixture that they service. So "Rough-in stops" are shut-off valves on supply lines that are roughed-in. If they were not roughed-in, you would need to break concrete floor (to install waste lines) if/when you decided to add a bathroom to your basement family room.


Bathroom sink fills up with water with values shut off?

sounds like you have leaky valves, which need to be replaced, by someone with a plumbing background, not necessarily a licensed plumber.


How can you shut off hot water in your condo?

If you have your own water heater there should be a shut off at the heater. If not I would look under the kitchen sink. There may be shut off valves at each fixture. If there is a central water heater in the basement, there would be a shut off to each unit.


When the water valves under the sink or toilet are shut off the water till floes when the sink or toilet are turned on Why?

The washer in the shut off valve has probably split or come off completely over time.


Why is water under pressure?

Find your main water shut off, make sure valve is open wide. check other exsisting shut off valves make sure they are open. With all valves properly open if pressure is still low, call the water supply company and have them check it at the curb.


Is water under pressure?

Find your main water shut off, make sure valve is open wide. check other exsisting shut off valves make sure they are open. With all valves properly open if pressure is still low, call the water supply company and have them check it at the curb.


What are shut-off valves?

A valve in a plumbing line that closes the line before the fixture it is connected to. For water there are usually shut off valves under the sink and right above the floor for the toilet. For gas, there is usually a valve that a flexible line attaches to and then to the appliance.


Where are shut-off valves?

In every home thee are a number of shut-off valves. Where the water pipe enters the house is the main shut off, usually beside the PRV, a bell shaped device for regulating the house pressure. This main cold line will then branch off to the water heater, bathrooms and kitchen. Each faucet and the water heater and the toilet will have a shut-off valve. The hot water line comes out of the top of the heater and goes to bathrooms and kitchen. Each hot faucet also has a shut-off valve under it.


What type of valve is used to shut off a water line?

Gate valves used to be, now they are being superseded by ball valves.


What are shut off valves?

A valve in a Plumbing line that closes the line before the fixture it is connected to. For water there are usually shut off valves under the sink and right above the floor for the toilet. For gas, there is usually a valve that a flexible line attaches to and then to the appliance.


How does the crocodile stop water getting in its ears and nose when it dives?

vanpirs can turn in to 27 diffrent animals


What does a shut off valve regulate?

An air-intake engine shut-off valve regulates air-flow to the motor, and operates as an emergency shut-off valve. There are also shut-off valves on water hoses, so shut-off valves really control the inflow of any liquid or gas.