Learning the HARD way...
Join Date: Jan 2007
Location: Boston / Ft Myers Area
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I'm in awe of Klem's 2nd paragraph...
However, using a NPS thread - like on the through hull - in an NPT fitting - like on an unflanged seacock - only allows 3 turns. I know this because that is what the yard mechanics did with the sink through hull on my boat before I purchased the boat and fixed it.
Maine Sail has posted a good illustration of this problem here
Last edited by eherlihy; 04-26-2011 at 09:17 PM.