Only True DIYers Can Ace This Pipe Fittings QuizShare:FacebookPinterestTwitterMailIn a compression fitting, what is the role of the ferrule?90%Next Correct Incorrect The ferrule compresses against the pipe when tightened, creating a leak-resistant connection. In a compression fitting, what is the role of the ferrule? It creates the watertight seal It threads onto the pipe It holds the nut in place It reduces pipe diameter 90%