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Old 06-25-2019, 10:07 PM   #1
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Default Hot water tank anode

New to RVing. I understand I have to change the anode in the hot water heater when it gets pitted a lot. Mine is after 2 years. Iíd like to order a replacement on Amazon but I donít know the size to buy. I have a 2017 Fun Finder. I think itís about 9 inches long but not sure of the thread size. Anybody change one lately?
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Old 06-25-2019, 10:39 PM   #2
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The safest thing would be to remove and inspect it. That way you would know the condition, the length and the thread size. You may find that you can go for another couple of years. It depends on the usage and water quality.
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Old 07-04-2019, 01:07 PM   #3
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With the name and size or model number of the water heater, you can get the proper anode rod.

Simply google, as an example: ;Suburban 6 gallon anode rod; and you will get lots of hits.

PS: I have a COLD water heater ... if the water is already hot, no need to heat it. Not trying to be a wise turkey, just the term "hot water heater" doesn't make sense to me although many people use that terminology.
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Old 07-05-2019, 12:46 AM   #4
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There are two types of anode rods, one is made from aluminium and the other is made from magnesium. They both act as a sacrificial metal to protect the lining of the tank. There are some health concerns about aluminium so I have elected to use a magnesium rod. Magnesium costs a little more but it also lasts longer.
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Old 07-05-2019, 05:04 PM   #5
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Yeh, I hear you can blame Alzheimer's on the aluminum!
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Old 07-05-2019, 06:39 PM   #6
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Quote:
Originally Posted by JimboFunFinder View Post
Yeh, I hear you can blame Alzheimer's on the aluminum!
"There is no credible research linking usage of aluminum-containing products with the development of Alzheimer's disease, according to Scientific American. Although researchers conducted studies in the 1970s and 1980s that suggested a link between aluminum and Alzheimer's disease, subsequent studies found that any such correlation was coincidental."
https://www.reference.com/article/re...qo=cdpArticles

Then, of course, there is risk from magnesium:
https://www.webmd.com/alzheimers/new...ementia-risk#1

And food too: https://sanesolution.com/secure/pl/b...876ac11049c4e0

Generally, there is never a single cause for any ill suffered.

Then again, generally speaking, most generalizations are useless like this one!

Carry on.
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