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Old 07-30-2010, 11:45 AM   #1
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Rusty connecting pipe to Water Heater


I have noticed the connection to the water heater (in the closet) are extremely corroded. I am growing increasingly concerned about the possibility of these corroded connections leaking or even possibly exploding therefore, causing water to flood the unit, damage my clothing and also damage the unit beneath.

Do I need to replace the corroded unions/couplings or any simply DIY technics to clean the rust.

Help!!!
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Rusty connecting pipe to Water Heater-hpim4435.jpg   Rusty connecting pipe to Water Heater-hpim4450.jpg  

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Old 07-30-2010, 04:00 PM   #2
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Rusty connecting pipe to Water Heater


Might want to change out the water heater.

The nipples that go into it. May crush when you try to turn them out.

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Old 07-31-2010, 09:25 AM   #3
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Rusty connecting pipe to Water Heater


Depending on the age and your budget it should be dealt with. Before you try to back out those nipples, spray them with WD-40. Be prepared to bite the bullet and go for a new tank if they break or wont come out. I've gotten ones out that were worse.

Buy a set of 3/4" dielectric nipples to help isolate the tank from the piping electrically. The electrical charge from the dissimilar metals accelerates the tank corrosion. The flex lines have rubber gaskets but usually wear out. Get yourself a pair of braided flexible lines to replace those old ones.
Also, that hex nut on top of the tank to the right of the pic is the head of the anode rod. That should be changed. The rod is designed to corrode instead of your tank. If its gone from corrosion, the water attacks the tank instead. I use a 1 1/16 socket on a 1/2" drive breaker bar with a iron pipe extension for leverage to break it loose. Note: Not an easy task especially in a closet. Its like breaking a lugnut loose on a semi. If you decide to try it pick up the sectional rod. It looks like sausage links held together by cable. Its flexible and made for when you have limited head room.
Good luck.
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Old 07-31-2010, 02:17 PM   #4
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Rusty connecting pipe to Water Heater


While your at it why not shut off the circuit breaker/fuse and remove the wire and swing it out of the way of the pipes and install a new connector on it at the cover plate.
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Old 08-01-2010, 09:12 AM   #5
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Rusty connecting pipe to Water Heater


Good point, no romex connector...
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Old 08-01-2010, 04:35 PM   #6
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Rusty connecting pipe to Water Heater


Quote:
Originally Posted by COLDIRON View Post
While your at it why not shut off the circuit breaker/fuse and remove the wire and swing it out of the way of the pipes and install a new connector on it at the cover plate.
and atleast sleeve it with a piece of greenfield and a connector while youre at it

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