cE eggs oe QUICK FITTING FREQUENTLY ASKED QUESTIONS longing Copper, PEX, PE-RT or CPV Tubing € Du | need to prepare the tube ends differently wires using push Whitings? A: No, as with sweat copper fittings, the tube must be chartered, DE-burred and reamed (free from burrs and debris). Quick Fitting recommends the use of an Inner/Outer Reamer to chamber, DE-burr and ream tube ends. These steps are essential to ensure the proper connection of your push-to connect fitting.