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I bought a new hot water heater but all i am getting is cold water out of hot water side

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  • Thomas F. Schneider May 11, 2010

    Electric or Gas? Tank or tankless?

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I bought a new hot water heater but all i am getting is cold water out of hot water side


You should have bought the other model that heats cold water........sorry....inside joke.....

Honestly now, I'm guessing it is electric, so are all the electrical connections properly affixed and the circuit breakers switched back on with power to the elements.

I hoping for your sake that you didn't power the unit before it was completely full of water,and also purging the trapped air from the top of the tank. because that would ultimately "burn out" the elements......voiding the warranty & costing you more money to replace them.

If not, maybe you should check and/or adjust the thermostat settings


Posted on Feb 20, 2009

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That would explain variable hot-and-cold water at tap.
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Cold water pipe usually has shut-off valve.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#new

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1) Copy following link:
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3 minutes?? does the water run cold then? or just warm?
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Or maybe a broken or missing dip tube in your new heater.
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3 Answers

Water is either hot or cold - no in between.


I found a way to get warm water in the shower, but I'm not sure it qualifies as a solution. After trying everything else I thought that maybe when I was feathering the faucet in the shower toward the cold side so I would get warm water that at a certain point it blocked the flow on the hot water side enough so that the sensor in the hot water heater sensed there was no demand in the line and it shut the water heater off. To test this, I went to the kitchen and turned the kitchen sink faucet all the way to the hot side and then turned it on so that I got a small flow of water. I waited for the water to get hot to be sure the hot water heater was working. Once it was hot, I left it running to keep demand in the line and then I went to the shower and turned the faucet on. When the water got hot I started feathering the control towards the cold side and soon I had warm water. So I think I'm right in that the sensor in the hot water heater was shutting the water heater off when the demand in the shower was lowered to a certain point when I was trying to adjust the water temp in the shower.

So now I can get warm water, but it means I have to leave the hot water running at another fixture in the house to create a false demand in the system so the hot water heater doesn't shut down. Is there a way to adjust the senor in the hot water heater so that it will stay on when I'm using the shower only, so I don't have to waste water by running another faucet when I want to take a shower?

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