Copper vs PEX Plumbing Pipes. What’s the Best Plumbing Pipe material. PEX Plumbing Pipes or Copper Plumbing Pipes? Advantages and Disadvantages of both..Information about plumbing with PEX tubing. How to connect PEX pipe, use PEX tools, make connections with PEX fittings..Plumbing is any system that conveys fluids for a wide range of applications. Plumbing uses pipes, valves, plumbing fixtures, tanks, and other apparatuses to convey .Q What is PEX? A SharkBite PEX tubing is a cross linked polyethylene tubing that provides an excellent option for plumbing, radiant and hydronic systems in both .