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Old 09-20-2014, 08:10 AM   #1
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Water heater

They say there are no stupid questions, yet this one might be
As I sit here having morning coffee and thinking about how soon I will, sadly, be winterizing my MH I am browsing the posts about winterizing and it occurs to me, since my water heater on this rig is propane only, no electric, does it have an anode in the tank? Have never looked, but remember changing the one in all prior TT's as they were both propane and electric.

So....whats the verdict yes, no......or just dumb question?
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Old 09-20-2014, 08:19 AM   #2
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Not sure what manuf you have for water heater. I have read some HW tanks do not require anodes. I know my Atwood has one. Not sure if it was installed by previous owner.

When I winterize I will remove it to drain the tank and inspect it.
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Old 09-20-2014, 08:25 AM   #3
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Atwood will have plastic drain plug and no anode rod. Suburban has the metal drain plug with the anode rod attached to it.
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Old 09-20-2014, 08:32 AM   #4
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Quote:
Originally Posted by trode View Post
They say there are no stupid questions, yet this one might be
As I sit here having morning coffee and thinking about how soon I will, sadly, be winterizing my MH I am browsing the posts about winterizing and it occurs to me, since my water heater on this rig is propane only, no electric, does it have an anode in the tank? Have never looked, but remember changing the one in all prior TT's as they were both propane and electric.
So....whats the verdict yes, no......or just dumb question?
trode
Some makes of RV water heaters, whether "propane only" or "gas & electric", (notably those made by Atwood with aluminum tanks), have no anode rod.

Some, like my 10 gal "propane only" Suburban with a "steel glass lined tank", do..... (as do Suburban "gas & electric" water heaters).
Mel
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Old 09-20-2014, 08:37 AM   #5
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Quote:
Originally Posted by rgmiller32 View Post
Atwood will have plastic drain plug and no anode rod. Suburban has the metal drain plug with the anode rod attached to it.
Well I know for sure that mine has, and always has had, one of those plastic drain plugs, so I guess that is the answer. As usual, thanks all
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Old 09-20-2014, 08:44 AM   #6
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Not sure what manuf you have for water heater. I have read some HW tanks do not require anodes. I know my Atwood has one. Not sure if it was installed by previous owner.

When I winterize I will remove it to drain the tank and inspect it.
golfpgb
I'm not positive but I believe Atwood strongly recommends against adding an anode rod in their aluminum tank water heaters.
I suggest you verify if you actually need an anode in your particular make model of WH.....(it may do more harm than good).

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Old 09-23-2014, 04:55 PM   #7
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My Atwood doesn't have one. They say since it's an aluminum tank it doesn't need one since aluminum doesn't rust. Some tanks are galvanized steel and will rust without an anode rod.
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Old 09-23-2014, 11:04 PM   #8
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The anode rod has nothing to do with rust, it is there to be eaten up by stray electric currant. Also have been a boater for most of my adult life and anode replacement is yearly on them.
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