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I just learned water heaters have an "anode" and its important

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I just learned water heaters have an "anode" and its important davidlaska 06-08-2007
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Posted by davidlaska on June 8, 2007, 11:43 am
I just got a used water heater (consumer electric) and I replaced the
bottom element that burned out because the sediment had collected
enough to cover it. Well, since it was outside, I flushed it all out.
Then I read about the most important factor of a water heaters life in
the anode. I shined a light inside and saw a long rod that looked
like in was suck in the ocean for years, with so much buildup that it
looked bumpy. I took it out and it is a aluminum version, How do I
clean it? lime away and some scraping? My labor is cheaper that
buying new parts or heaters.


Posted by Grandpa on June 8, 2007, 12:12 pm
davidlaska wrote:
> I just got a used water heater (consumer electric) and I replaced the
> bottom element that burned out because the sediment had collected
> enough to cover it. Well, since it was outside, I flushed it all out.
> Then I read about the most important factor of a water heaters life in
> the anode. I shined a light inside and saw a long rod that looked
> like in was suck in the ocean for years, with so much buildup that it
> looked bumpy. I took it out and it is a aluminum version, How do I
> clean it? lime away and some scraping? My labor is cheaper that
> buying new parts or heaters.
>

Labor can't replace material. Its called a "sacrificial" anode for a
good reason. See here:
<http://www.waterheaterrescue.com/pages/WHRpages/English/Longevity/water-heater-anodes.html>

--
Grandpa

Posted by Ook on June 9, 2007, 3:16 pm

> davidlaska wrote:
>> I just got a used water heater (consumer electric) and I replaced the
>> bottom element that burned out because the sediment had collected
>> enough to cover it. Well, since it was outside, I flushed it all out.
>> Then I read about the most important factor of a water heaters life in
>> the anode. I shined a light inside and saw a long rod that looked
>> like in was suck in the ocean for years, with so much buildup that it
>> looked bumpy. I took it out and it is a aluminum version, How do I
>> clean it? lime away and some scraping? My labor is cheaper that
>> buying new parts or heaters.
>>
>
> Labor can't replace material. Its called a "sacrificial" anode for a good
> reason. See here:
>
<http://www.waterheaterrescue.com/pages/WHRpages/English/Longevity/water-heater-anodes.html>
>
> --
> Grandpa

Why do they call it an anode?



Posted by Meat Plow on June 9, 2007, 4:28 pm
On Sat, 09 Jun 2007 12:16:35 -0700, Ook wrote:

>
>> davidlaska wrote:
>>> I just got a used water heater (consumer electric) and I replaced the
>>> bottom element that burned out because the sediment had collected
>>> enough to cover it. Well, since it was outside, I flushed it all out.
>>> Then I read about the most important factor of a water heaters life in
>>> the anode. I shined a light inside and saw a long rod that looked
>>> like in was suck in the ocean for years, with so much buildup that it
>>> looked bumpy. I took it out and it is a aluminum version, How do I
>>> clean it? lime away and some scraping? My labor is cheaper that
>>> buying new parts or heaters.
>>>
>>
>> Labor can't replace material. Its called a "sacrificial" anode for a good
>> reason. See here:
>>
<http://www.waterheaterrescue.com/pages/WHRpages/English/Longevity/water-heater-anodes.html>
>>
>> --
>> Grandpa
>
> Why do they call it an anode?

http://en.wikipedia.org/wiki/Anodes



Posted by Ook on June 9, 2007, 5:10 pm

>>>
>>> Labor can't replace material. Its called a "sacrificial" anode for a
>>> good
>>> reason. See here:
>>>
<http://www.waterheaterrescue.com/pages/WHRpages/English/Longevity/water-heater-anodes.html>
>>>
>>> --
>>> Grandpa
>>
>> Why do they call it an anode?
>
> http://en.wikipedia.org/wiki/Anodes
>

I know what an anode is. I also know what a cathode is. But that doesn't
answer my question....I stick this rod in the middle of my water heater -
what makes it an anode, and not a cathode?



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