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Attach a garden hose to the drain spigot and run the hose outside or into a toilet or sink. Open the spigot and drain the tank until the water runs clear. You could have turned off the water heater beforehand so as to reduce the risk of scalding yourself.

You should drain the tank as recommended by the manufacturer. If not, lime scale forms and insulates the bottom of the tank and causes the water heater to use more energy because it cannot heat the water efficiently.

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Q: How do you flush out a hot water tank?
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Related questions

Getting dirt in hot water?

It is probably sediment from the hot water heater, you may need to flush out the hot water heater tank, all it takes is a garden hose.


how can I fix the hot water problem without an plumber?

According to DIY on Hot Water Promblems if theres not enough water then you hit the reset button. If the water is too hot then change the temperature and reset. If you have a leaky heater then you need to replace the valve. If you have a rusty tank then you need to replace the water heater. If you have a noisy heater then you need to drain and flush the tank. If you have dirty water then drain and flush the tank and do it on a regular basis.


To flush the hot water heater do you need to drain all the water out?

It would help as most of the rust accumulates at the bottom of the tank.


Name of the tank that holds water used to flush toilet?

Toilet tank


Why is the Gas hot water tank not hot for long?

The hot water tank might be undersized for your usage.


How do i get debris out of Suzuki gas tank?

take the tank off and flush it out with a water hose...


How do you treat contaminates or water in gas tank?

It is probably best to drain and flush the tank.


do they help with a hot water tank replacement ?

do they help with hot water tank replacement


How long does it take for hot water after lighting a hot water tank?

how long does it take for hot water after lighting water tank its gas?


Does the boiler heat the water at first then supply it to the hot water tank?

No, a hot water tank heats water by itself.


What if you have water pressure surges when you flush the toilet?

If your water comes from a well and you have your own pump and tank. The tank may be waterlogged.


Why is the boiler underneath the hot water storage tank?

So the steam can rise from the boiler to the hot water tank storage