Trouble Removing Hot Water Heater Nipple


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Old 03-30-13, 05:26 PM
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Trouble Removing Hot Water Heater Nipple

Long time user of these forums, first time posting.

Having trouble removing a nipple from a US/Craftsmaster Water Heater (model number E1E50RD045V). Here's the leak I'm combating:

http://youtu.be/e766rkHZ8eE If attach doesn't work: Leaking Hot Water Heater - YouTube

Was attempting to change out all of the fittings to the hot water heater to see if this fixed it. I've removed the pipe and currently unable to remove the nipple:

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I'm thinking it may be welded, but unable to verify. Hoping someone can help out!
 
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Old 03-30-13, 05:31 PM
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Have you tried penetrating oil such as Liquid Wrench (WD40 isn't a penetrating oil)? Soak, tap, let set, then try.

Are you using an 18" pipe whench or at least a smaller pipe wrench with a two foot cheater?
 
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Old 03-30-13, 05:39 PM
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Big pipe wrench!

Its rusted in place. A good pipe wrench will free it up! ( I hope )
 
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Old 03-30-13, 05:56 PM
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I've tried everything from channel locks to eventually going to the hardware store to pick up a 14" pipe wrench. I didn't have a cheat, but did just run out and try extending with a hammer.

I also did not have any liquid wrench, will have to pick some up. Tried WD40 to no avail earlier today.

So from looking at the picture you guys feel that it's not welded?
 
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Old 03-30-13, 06:43 PM
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IMO dont waste your time... that looks like an old mor flo....? Rheem? I know that color..must be 15 years plus??? ( May be wrong)

Thats electric right?...go buy a new one...$350 or so. Get an AO smith.

I know this is DIY but I am trying to save you the aggravation....
 
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Old 03-30-13, 07:34 PM
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Buy a 2 foot long length of 1-1/2" galvanized or black iron pipe to use as a cheater if you can't replace the heater at this time. Let the Liquid Wrench penetrating oil soak over night.
 
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Old 04-02-13, 07:50 PM
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Try white vinegar to break up the rust-scale.
Heat the nipple with a torch and try removing while still hot with a pipe wrench not a channel lock and use leverage like others have suggested. If that does not work replace the unit.
 
 

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