07:28PM | 12/05/05
Member Since: 04/20/03
75 lifetime posts
In the process of installing a new basin in one of our bathrooms, I replaced the old valves on the hot/cold inlet copper pipes with new valves. These valves had compression fittings and I took care to put teflon tape on the threads etc and tighten the nuts appropriately. However, when I turned on the water, there was a slow leak from around both compression fittings (hot and cold water lines). Was there anything special that needed to be done to install a compression fitting other than tightening it real good and using teflon tape? thanks......

doug seibert

01:55AM | 12/06/05
Member Since: 08/10/02
843 lifetime posts
NO Teflon tape is used on the threads of a compression fitting..........Obtain a new ferrule and redo the connection......


02:36AM | 12/06/05
Member Since: 04/25/05
1918 lifetime posts
However, I have found that paste pipe sealer, with teflon, does help.

I don't think that it does any good as a sealer, but it as a lubricant to help get the joint tight.

Even when I get the joint what seems like very tight that it them needs and other 1/8 turn or so after I put the water back on.


11:22AM | 12/06/05
Member Since: 04/20/03
75 lifetime posts
thank you both for your replies. i will redo connection with new ferrule.


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