Monday, April 30, 2012

can i use plumbers putty on compression fittings?

I'm replacing a water shutoff valve on my bathroom sink. The pipe coming from the wall is 1950's galvanized and i'm installing a new valve with compression fittings. I can't stop the new valve from leaking at the connection to the old galvanized pipe. Can I use putty on the threads to stop the very slow leak??

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