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Old 04-08-2014, 07:35 AM   #1
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Anode Rod Water Leak

Just took our RV out for it's first trip. I re-installed the anode rod flushed and sanitized the system. At the camp site I noticed a wet spot on the ground beneath the water heater. Upon inspection I noticed it was leaking around the anode. This is a new 2014 FR3. The rod has a good amount of Teflon tape on it and I don't want to tighten it up any more than I have already, for fear of stripping it out. I'm afraid to bring it to the dealer because I don't want to be without it for weeks on end now that camping season it's here. I've removed it, and applied new Teflon tape, but am still having the same leak. Any advice/help would be appreciated.
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Old 04-08-2014, 07:38 AM   #2
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Greg, Can you take a photo?
You might be able to snug it up a few threads if there is enough showing.
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Old 04-08-2014, 07:46 AM   #3
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Try plumbers dope instead of Teflon tape but before you re install anode clean any rust in the thread out with a wire wheel on a drill . Don't get real aggressive with the wire wheel and ruin the threads just get rid of any rust. More than likely there is some rust creating the problem and that will ruin tape and leave a spot to form a leak.
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Old 04-08-2014, 07:49 AM   #4
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Old 04-08-2014, 07:49 AM   #5
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I would consider removing the anode, inspect, reapply teflon tape and reinstall the anode. If it continues to leak, buy a new anode and try it.

If that leaks - back to the dealer for warranty.
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Old 04-08-2014, 07:57 AM   #6
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The anode rod is pretty much new. The RV was built in October 2013 and by December it was winterized by the dealer and the rod was removed. It was only back in the heater for about 3 hours, when U saw the leak. I removed it, retaped it and put it back. It's still leading. The threads look clean.
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Old 04-08-2014, 07:57 AM   #7
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Quote:
Originally Posted by Dave Lyon View Post
I would consider removing the anode, inspect, reapply teflon tape and reinstall the anode. If it continues to leak, buy a new anode and try it.

If that leaks - back to the dealer for warranty.
Yep, out it comes. That should not leak that far in. However, you can certainly try snugging it up a quarter turn to make it stop first. (edit add)

(This is not your case since you posted below the rod is near new - edit add - but included for those who might have an old anode)
Inspect the threads of both the tank and anode. If the anode threads are really bad, you may also have a rust through pinhole in the anode fitting itself where the wired is welded to the cap.

Worst case, replacement of the anode should fix your problem; I doubt the tank itself is the culprit.

OK, I read your (at the same time) post.

Are you SURE the the anode is the source of the water and not the pressure relief valve above it? Opening and closing the relief valve may clear any debris that might be causing it not to seat.
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Old 04-08-2014, 08:08 AM   #8
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Remove the A-Rod and acquire a (3/4 NPT pipe Tap) and retap the threads for cleanup. Use a Shop vac for cleanup. Retape the Rod and reinstall. Youroo!!
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Old 04-08-2014, 08:11 AM   #9
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Pressure relief valve is good (checked that first). I'll see if Home Depot has the necessary tap.
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Old 04-08-2014, 08:13 AM   #10
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Originally Posted by youroo View Post
Remove the A-Rod and acquire a (3/4 NPT pipe Tap) and retap the threads for cleanup. Use a Shop vac for cleanup. Retape the Rod and reinstall. Youroo!!
3/4"-14 NPT Carbon Steel Pipe Tap| DrillsandCutters.com

For thread chasing this is an inexpensive option...
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