I always dope the brass ferrules for lubrication. They can leak if you don't in my experience.
Pipe Rat · I Like Tater Tots Plumber since 1979. 42 years and still rollin' Joined Apr 5, 2009 · 1,336 Posts #21 · 11 d ago Only show this user I always dope the brass ferrules for lubrication. They can leak if you don't in my experience.