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Discussion Starter #1 (Edited)
Why would there still be corrosive action on this union hot side? The plastic bushing and rubber washer is in tact. I wiped it off so the corrosion is not showing. The old heater was in service 20 years:thumbup: no corrosion, same set up.
Just on the bottom of the union!
 

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Anodode rod is probaly long gone with a heater that old.
20 years is about 5 years behond the expected life of a heater, may want to concider replacing it.
 

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Roofmaster
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What corrosion? I don't see any corrosion or electrolysis at all. All I see is solder tin Am I going blind Joe? Vat DA Hek Ar U Talkin Bout? :huh:

Admittedly, the guy cant focus (Macro Please) but aside from that, whaaaaaaaaaaaaaaa?
 

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Discussion Starter #4
That is a new heater, I wiped the corroison off. I will have to wait till or if it comes back and take a photo before I clean it off. Thanks for the response till next time.
 

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Might be a tiny bit of seepage---the threads are just raw steel---they can pick up some rust from the atmosphere
 

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Roofmaster
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I ALWAYS use anti seize compound on something like this. I pulled the anode on my new water heater prior to install, applied Nickel based Anti seize compound and reinstalled it. I picked this us while servicing burners on huge stills in refinery's. That stuff is worth its weight in Gold.
 

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Discussion Starter #7
Might be a tiny bit of seepage---the threads are just raw steel---they can pick up some rust from the atmosphere
I was thinking flux may have run down, it was a straight line run rust colored so who knows. I can't help but look at when I was clothes as it is right there.
:thumbup:
 

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Roofmaster
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When I was clothes? Thats it, no more lead fumes for you!
 

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I've seen that area stained from the union--seep a bit and obviously was tightened----
 
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