moen cartridge leak

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moen cartridge leak
Author: donpapp (OH) Replace 1222 moen cartridge in bath, and have a dripping leak. cleaned the inside before inserting the new cartrige, there was no debree inside and I flusged to line. I did use plummers grease. Is there anything I can do to stop the drip, have tried two different cartriges, same drip? Is my only resulution replacing the pipes behind the wall?
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Re: moen cartridge leak
Author: packy (MA) if the valve body is damaged (crack or deep scratch) then yes you must change the valve.
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Re: moen cartridge leak
Author: hj (AZ) And that usually only happens it you get "rough" with the valve when you remove the old core.
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Re: moen cartridge leak
Author: srloren (CA) Before you give up, purchase a 3/4" copper cleaning brush with a handle on it and run it through the valve body a number of times. That will usually get rid of calcium or other mineral deposits that cause your leak at the O-rings and other gaskets on the sides.
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