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Old 10-18-2016, 06:40 PM   #1
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Took my anode out to drain water heater camper is new this year the anode is covered in grit however the big problem is it will not screw back in threads dont seem to catch?
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Old 10-18-2016, 06:59 PM   #2
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Find a buddy and borrow a 3/4 inch pipe tap to clean the threads out. I do that each spring and have never had a problem.
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Old 10-18-2016, 07:05 PM   #3
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You can take a small wire brush and clean the threads on the water heater and give it a try. Like has been said a tap will work also
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Old 10-19-2016, 08:32 AM   #4
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As said above, a small wire brush will clean the threads. Don't forget to clean the threads on the rod itself.

Amazon has a 3/4" 14 TPI NPT pipe tap for about $14.
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Old 10-19-2016, 09:29 AM   #5
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The wire brush on the threads, both internal and external is good advice. Use care on the NPT tap not to cut much, if any, if you go that route. Between the anode's weight, it's balance and the angle that it threads into the WH at, is a PIA. What I found helpful is, insert it and once you've mated the surfaces of the threads squarely, turn the anode CCW ( it will be < 360 deg.) until you feel that first thread drop into place then turn it CW and you should be able to finish. Remember the teflon tape
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Old 10-19-2016, 11:51 AM   #6
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I wire brush mine before I reinstall. I picked up one of those battery terminal cleaner kits at Wal Mart that has an attachment for cleaning the inside of battery lead clamps. That works very well for cleaning the threads on the water heater.
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Old 10-19-2016, 12:19 PM   #7
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The weight of the anode tends to drop the far end and makes it difficult to start. You have to push down on the bottom face of the "bolt head" to make sure it's perfectly horizontal while you try to thread it in. I've never needed a socket to do it; can always do it by hand.
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