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Old 10-04-2017, 07:55 AM   #1
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Cleaning Hot Water Tank Anode Port

My WH is working fine, but the threads where the anode rod is installed is getting a little rough with some rust. The rod still installs ok, and I take a wire brush to the threads when I empty the tank. Is there a way to easily clean these threads, ensuring a good fit and seal?
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Old 10-04-2017, 08:04 AM   #2
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Check out the great Suburban video guides that Suburban provided our forums. The very first one details the anode rod, cleaning the threads, etc.

You can find all 5 videos at this link:

Suburban Water Heater Video Guides

Here is the one on the anode rod. Hope it helps.

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Old 10-04-2017, 08:17 AM   #3
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My WH is working fine, but the threads where the anode rod is installed is getting a little rough with some rust. The rod still installs ok, and I take a wire brush to the threads when I empty the tank. Is there a way to easily clean these threads, ensuring a good fit and seal?
Yes use a 3/4 NPT Tap! IF it is a Suburban Heater! Ace/Home Depot!

Youroo!!
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Old 10-04-2017, 08:32 AM   #4
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Yes use a 3/4 NPT Tap! IF it is a Suburban Heater! Ace/Home Depot!

Youroo!!
X2 Harbor Freight. Don't take much off you only want the rust and scale and maybe straighten out a thread. Wire toothbrush, battery terminal brush...
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Old 10-04-2017, 08:35 AM   #5
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I second the 3/4" tap and the battery terminal brush.

As said above, you don't want to cut new threads or deepen them, you just want to clean out the existing ones.
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Old 10-04-2017, 08:46 AM   #6
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I second the 3/4" tap and the battery terminal brush.

As said above, you don't want to cut new threads or deepen them, you just want to clean out the existing ones.
Thanks to all, a light realigning is what I'm looking to do. 3/4-14 NPT is what I'm finding on Amazon, is that the right thread count?
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Old 10-04-2017, 09:44 AM   #7
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Thanks to all, a light realigning is what I'm looking to do. 3/4-14 NPT is what I'm finding on Amazon, is that the right thread count?
Yes 14! Youroo!!
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Old 10-04-2017, 12:25 PM   #8
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Thanks to all, a light realigning is what I'm looking to do. 3/4-14 NPT is what I'm finding on Amazon, is that the right thread count?
That's the one.

In order to ensure its longevity, spray a little WD-40 on it and store in the sleeve it comes in when you're done using it. Most of them come in a two part plastic shell that slides together.
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Old 10-04-2017, 12:36 PM   #9
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Great discussion. Thanks!
Stashing these ideas for future reference.
The tap idea never would have occurred to me.
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Old 10-04-2017, 01:02 PM   #10
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This video is pretty interesting. Shows before and after flushing using vinegar with an inspection camera.

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