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Old 05-11-2018, 12:31 PM   #1
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Brand: Thor Motor Coach
Model: Four Winds 22E
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THOR #10965
Water Heater Plug

So I have (I am pretty sure Atwood) heater with just the plastic drain plug. Whoever owned the RV before me rounded off the plug and I am pretty sure I am going to have to remove it the hard way. No big deal there, but I need to sanitize the water system and figured on draining the water heater and replacing the plug. I am looking at one of these "Camco 11553 Magnesium Anode Rod - Fits Atwood Heaters" rather than getting a new plastic plug.

Does the anode make that much of a difference in the life of the heater? Also since it is metal seems like it would be less likely to round off in the socket than a plastic plug.
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Old 05-11-2018, 01:07 PM   #2
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THOR #121
Atwood hot water heaters do not use a Anode rod
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Old 05-11-2018, 01:49 PM   #3
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THOR #1150
Just get the plastic plug, they are cheap. I replace mine every other year.
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Old 05-11-2018, 02:02 PM   #4
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The Atwood tank is aluminum I believe which is the reason for the plastic plug....no metal sacrificial anode plug required. Although tempting to replace the plastic plug with metal.....there is potential for corrosion to occur if you do.....dissimilar metals (aluminum tank; steel or brass plug and water may cause issues long term). Stick with the plastic plug. I find I need to use teflon tape on mine even though the plug is tapered I think.
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Old 05-11-2018, 03:23 PM   #5
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THOR #10965
Cool. Plastic drain plug it is. I did use the teflon tape, I've done enough plumbing work on my house to know it is a necessity.
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Old 05-11-2018, 06:34 PM   #6
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I have the worst luck at getting the plug sealed. I use plumbers tape on the plug but it leaks most of the time. Slow and annoying. New plug and tape usually fixes it and I find that sometimes, MAYBE, I'm putting it in too far. GRRR.
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Old 05-11-2018, 06:46 PM   #7
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THOR #10965
Quote:
Originally Posted by Gary A View Post
I have the worst luck at getting the plug sealed. I use plumbers tape on the plug but it leaks most of the time. Slow and annoying. New plug and tape usually fixes it and I find that sometimes, MAYBE, I'm putting it in too far. GRRR.
At least when I inevitably do this and get a slow leak, I know it is normal. It looks like previous owner had that problem from the sediment built up around the drain.
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