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Q: Do you need to shut water off at water heater before shutting main water off?
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Why do water leak before coming to your house?

Because there is a leak in the pipe of the water main.


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.


Do you need to shut off hot water heater when replacing copper pipes in a bathroom?

Yes you need to shut off the Main water valve. Usually found in the basement or outside the house near the meter. Also you need to shut off the Gas valve located at the water heater, or the Breaker located in the breaker box/ fuse panel. Sometimes the water heater will have its own Switch box, located on the power wire


Why do they elevate hot water heaters?

On a standing pilot pilot heater is is common practice to elevate the heater 18" above a floor as flammable fumes will not ignite when the main flame comes on.Shame many plumbers /gas fitters never bother to get involved with thee NFPA


How do you replace main water valve?

You turn off the water valve before it -probably on the sidewalk, or just on your front yard. Then remove the main valve and replace it. NOT a job for amateurs. I hope you have some experience at least.

Related questions

Main water supply line to water heater leaking The main line comes out of the ground and is leaking around the sleeve and the coupling before the shutoff valve for water heater How do you fix this?

you could buy a new one ? or call a mechanic ?


Do you have to turn off the main gas value to change a water heater?

Not if the water heater is electric


When shutting main water supply is it dangerous for water heater?

No, with the main shut off, no water can be taken from the heater so it will just sit there.


What is a orifice on water heater?

Gas water heater has an orifice for main burner and for pilot light, if not electronic ignition.


When working on plumbing pipes do you have to shut off the hot water heater as well as the main?

No. The Main is source of water for that as well.


Does the main burner on a hot water heater stay on all the time?

No.


Why is there still a trickle of water in your kitchen faucet when main valve shut off - no trickle anywhere else?

Water is coming down from upstairs or it is back pressure from the water heater. If it is the water heater, it can come out of either side of the faucet.


What is an example of converting electrical energy to thermal energy?

Example is ,an electrical heater connected to a main switch and the heater is placed in a bucket filled with water.


Why are the radiators warm but water is cold in a central heating system?

Central heating systems usually heat on a different system from the hot water heater, unless the main heater is a combination furnace/hot water heater. If this is the case, it could be because the outflow of hot water is greater than the ability of the furnace to heat the water.


What are the main home uses for an electric hot water heater?

Electric hot water heater is used to heat cold water for use in winters. Electric hot water heaters heat water faster than the ones which consume fire in order to heat water.


How do you replace a TPV on a water heater?

To replace the TPV on a water heater a plumber will have to buy a new one. After switching off power from the mains and closing the main tap, the plumber can then replace the new TPV .


Even when house water turned off why will water still drain from the hot water tank?

Reason for question: Plumber left valve open and flooded house The hot water (heater) tank is fed from a 'header tank'; normally in the loft space but can be combined with the main heater tank (fortic). The header is filled from the water main. Unless the header is drained or its outlet is closed off, it will drain down through the open valve of the hot water (heater) tank.