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Old 04-23-2018, 09:26 PM   #11
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I think that brass is softer than aluminum. If you're lucky, there was only damage to the brass fitting. Take a mirror and a flash light and examine the threads on the tank. I think plumbers cut threads all the time and probably have a tool to clean-up threads if necessary.

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Old 04-23-2018, 09:39 PM   #12
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Originally Posted by John K. View Post
I don't think my camera will be able to photograph the cut in the valve thread because it is so small. I've never liked using the nylon plug because it is so pliable and it's always difficult to turn to get out. On the other hand, I don't want the brass valve to create a bigger problem. Maybe I should try an offset wrench, which could make undoing the plug easier. Thanks so much to everyone who responded. This tells me once again that it's wiser to contact people who know what they're doing before choosing an option that might not be the best after all.
I use a basin wrench and have no problem getting it out..works great. And always the nylon plug. 3rd season still on the same plug

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Old 04-24-2018, 06:15 AM   #13
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Make sure the pitch of the thread is correct. Not all 1/2" threads are alike. There's a coarse and fine thread. Just throwing that out there.
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Old 04-24-2018, 06:38 AM   #14
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I recommend staying with the Nylon plug as well. The nylon plug on our Greyhawk lasted 6 years before it started to leak.

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Old 04-24-2018, 07:03 AM   #15
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I got one of these kits and the little wrench works well.
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Old 04-24-2018, 09:21 AM   #16
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Agree with the rest. Ditch the brass plug and get the nylon type that came on it. The nylon is used to make sure there is no reaction between dissimilar metals. Of course there may not be any with brass and aluminum.

But the brass will damage the aluminum threads in the water heater if they get cross threaded. Nylon plug will not. Plug may get damaged cross threaded, but replacement is cheap.
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Old 04-26-2018, 03:21 PM   #17
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thread help

try a #/4 " pipe tap on the threads to clean them out first, the use Teflon ANDa bit of liquid pipe dope to lubricate the threads. "a plumber"
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Old 04-26-2018, 03:31 PM   #18
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Thanks again, everyone, for the help!

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