No hot water comes from Tap


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Old 02-06-21, 06:43 PM
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No hot water comes from Tap

My hot water heater is installed about one year ago. This evening, suddenly no hot water comes from water Tap/valve in my VA home. Checked water heat, there is flame, piping from heater is hot, chimney pipe from heater is hot, too. Checked 1st, 2nd and third floor water tapes, all are cold water ( at beginning, the water is warm, then cold). I am in VA, there is 3" snow days ago.

Thanks
 
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Old 02-07-21, 04:56 AM
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Something is stopping the flow of hot water. Was a valve in the hot water piping closed? Does any of your hot water piping run through an outside wall where it can freeze? It is also possible a chunk of debris broke free and is clogging the water line.
 
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Old 02-07-21, 05:40 AM
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Start at the water heater and feel the outlet pipe to make certain it's hot, then continue along the pipe to each valve and joint until you find the problem. I suspect you'll find a problem at the water heater or at a valve. If you find the problem but don't know what to do, let us know.
 
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Old 02-07-21, 05:16 PM
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You have a cross connection somewhere. A single handle shower valve maybe or a washing machine solenoid valve. I have even seen a single handle kitchen faucet cross over even though the handle was off!
 
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Old 02-09-21, 06:50 PM
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is it possible cold water piping from outdoor frozen?
 
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Old 02-10-21, 06:02 AM
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Do you get water from any of the fixtures in the house? If yes then the outside water line is not frozen.
 
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Old 02-10-21, 12:30 PM
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You should have cold and hot water shutoff valves under your sink. If you shut the cold valve off and then put the hot water on. If water comes out you'll know the pipe is not frozen. You can try that with all of them if you want. If you get water but is still not hot you may have a dip tube problem in your hot water tank which means as the cold water enters the tank instead of going to the botoom to get heated it goes into the tank through the cold water side and out the hot side without being heated.

Just a thought. Hope this helps a little.
 
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Old 02-12-21, 07:37 PM
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when yesterday temperature goes up daytime, I got hot water. Any explanations?
 
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Old 02-13-21, 04:16 AM
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If you didn't do anything and it just came back my best guess would be a frozen pipe somewyhere that thawed with rising temp.

Just a guess at this point but sit back and enjoy it. The only downside is sometimes when pipes freeze they split and when they thaw you have a leaking pipe. Hope for the best.
 
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Old 02-13-21, 04:19 AM
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You have frozen pipe somewhere. Do you have a basement? And do any pipes run in outside walls?
 
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Old 02-16-21, 05:35 PM
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the fact I did not understand is my cold water always is running; even I open hot water tap, cold water comes out while I don't have hot water. If water pipe is frozen, no water would come out from tap.
 
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Old 02-17-21, 03:34 AM
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Actually it can happen. known as the Mpemba effect, hot water can freeze before cold water. Not quite as simple as stated, but it can happen. However, in a closed container, like a pipe I'm not sure if it works the same way. My suggestion is keep one of your hot water tap on a very slow drip during extreme cold temperatures.
 
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Old 02-17-21, 05:10 AM
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Turning on a cold water tap does nothing to prevent the hot water lines from freezing. In most cases you are better off opening the hot water line to a very small trickle. The water heater gets it's water from the cold water system so opening the hot tap also consumes cold water to prevent the water line from your house to the street from freezing.
 
 

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