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Posted by SQLit on August 24, 2005, 8:51 am
> Hello everyone, I'm in need of some professional advice. We have a
> water heater, it's:
>
> - Not new, about 4 years old
> - Electric (two heating elements)
> - Big enough for our 4 member family, so it's not a mini model
> - Located in the garage
> - NOT connected to a water softener (we live in indiana, really hard
> water here, it's on our list of things to buy)
> - Been drained once in the last three months to replace a bad element,
> but no solvents/vinegar used to dissolve calcium or anything
>
> Recently I heard a sound coming from the water heater DURING USE,
> perhaps from near the top. It's not as violent as a knock may sound,
> but I don't know how to tell the difference between a knock and a
> click! So it's one of the two. The sound does not seem to happen after
> use, only during.
>
> Any suggestions? I'm thinking of draining the tank tonight by turning
> off power, cutting cold water supply, opening a hot water tap while
> connecting a hose to the bottom valve of the water heater, then after
> the pressure is gone opening the value to drain the liquid & loose
> calcium deposits. But do you think this will help?
>
> Any suggestions are much appreciated, thanks!
>
> brad
In my experience you have calcium build up in your tank. My old tank did the
same. I went to drain it and found it would not drain. I replaced it and
found the tank 1/4 full of calcium. This water heater was part of a home I
just purchased.
Draining is a good idea. It might help some. Guessing here you do not flush
the tank regularly.
If it drains slowly, even with the temp/pressure valve open. There could be
a lot of calcium buildup. Might be time to run it into the dirt and be
thinking of a new one some day
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