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Old 05-13-2022, 08:50 PM   #1
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Water Heater Annode

Does my water heater have an annode? Iíd really like to change it but cannot locate it.

Atwood GE9-EXT (GE9EXT)

Granted, it may be under the wifeís bed but the last time I was in there it seemed to me that the back side of the water heater was all insulated.

Thanks
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Old 05-13-2022, 11:05 PM   #2
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Hi, no. Your water heater has a white plastic drain plug where you could install an anode, but it is not needed and could damage your water heater tank, so don't do it.
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Old 05-14-2022, 05:15 AM   #3
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From the 2003 Atwood Water Heater Service Manual

"ATWOOD CLAD TANK
The Atwood water heater tank is constructed of a core of high strength aluminum. The interior of the tank consists of a
15% thickness of type 7072 aluminum (pure aluminum and zinc) that is fused to the core during the rolling process.
This material protects the tank from the affects of heavy metals and salts found in waters throughout the country. It is
anodic to these heavy metals and acts much like an anode in a steel glass lined tank except it will last much longer.
There is also no need to replace an anode on a yearly basis.
Flushing the tank on a regular basis has been found to be helpful in insuring the best performance of your water hater
and adding to the useful life of the tank. For flushing instructions see your owners manual or contact Atwood for a copy
of our recommended procedures."
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Old 05-14-2022, 06:50 AM   #4
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Anode rods protect a steel water heater from rusting. The Atwood tank is aluminum. No anode is needed.

However, you do need to flush the tank every season. There are special flushing wands which make this easy - they get inserted into the opening where the plastic plug goes, and it's surprising how much gunk comes out.
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Old 05-14-2022, 07:01 AM   #5
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Quote:
Originally Posted by richard5933 View Post
Anode rods protect a steel water heater from rusting. The Atwood tank is aluminum. No anode is needed.

However, you do need to flush the tank every season. There are special flushing wands which make this easy - they get inserted into the opening where the plastic plug goes, and it's surprising how much gunk comes out.
Yes, and I like to put a gallon or so, of vinegar in before flushing and let it soak for a day. I get a lot less granules and a lot more "milky" fluid that way. Seems easier than trying to flush "weighty" marbles out.
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Old 05-15-2022, 05:05 AM   #6
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Learn something new every day.
Thank you so much for your replies.
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