Advice on removing stuck shut off valve

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  #1  
Old 03-06-05, 03:30 PM
bvs
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Advice on removing stuck shut off valve

I'm trying to install a dishwasher, and to tie into the hot water line I need to replace the existing shutoff valve on the sink with one that has 2 outputs on it.

However, I can not seem to get the old shut off valve off the supply pipe. It's apparantly been on there for quite a while. I've been wrenching on that thing for the better part of an hour. If I apply any more pressure, I'm afraid I'm going to snap the supply pipe off where it comes through the cabinet.

Any advice/tips on getting this thing off?
 
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  #2  
Old 03-06-05, 04:00 PM
Join Date: Dec 1999
Location: Northeastern NC On The Albemarle Sound
Posts: 10,952
What type of pipe is it?
Soldered or threaded copper? Threaded galvanized? Plastic?
 
  #3  
Old 03-06-05, 04:57 PM
bvs
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threaded galvanized
 
  #4  
Old 03-06-05, 05:16 PM
Join Date: Dec 1999
Location: Northeastern NC On The Albemarle Sound
Posts: 10,952
Use the largest pipe wrenches that can fit in the area.
Hold one for backup on the pipe, and use the other for turning the valve fitting.
Spray a little WD-40 solvent or something similar and let it sit for while to let it soak into the rusted/corroded threads.
Turn it to "tighten" it first to help break it loose, then turn it back the other way to actually unscrew it.
Good luck!
Mike
 
  #5  
Old 03-07-05, 07:01 AM
Bob Haller
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Be prepared for leaks in the area later. Old galvanized doesnt like being disturbed. Might be better to replace that area with copper or plastic.

Dont store anything irreplaceable under this area in case it leaks in the future
 
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