JGLA
New Member
I was looking at the starter packages of PEX tubing/fittings/tool that they sell on a well-known plumbing supply site, and it leads me to wonder about something. Is there some reason that I'm missing that would explain why all of the packages include (25) 1/2" to 1/2" and (25) 3/4" to 3/4" couplings? I don't understand why one would ever need such fittings, unless you happened to cut a tubing run too short and needed to add a little extension. Am I crazy? Isn't the idea to run your lines and connect either directly to the fixture, or else to a manifold/sub-manifold/tee?