Incorporating manifolds into the layout can save water and energy because you eliminate most of the pipe between the water heater and the faucet. . .
PEX manifold http://www.pexuniverse.com/pex-manifolds #PEX #plumbing
PEX Plumbing manifolds can offer great advantages compare to traditional trunk and branch installation. Learn how to install a plumbing manifold.
Plumbing oh my...
Fittings for a Shower Valve - Plumbing With PEX Tubing: http://www.familyhandyman.com/plumbing/plumbing-with-pex-tubing#8
Common Plumbing Problems
Use the Same Stuff - Plumbing With PEX Tubing: http://www.familyhandyman.com/plumbing/plumbing-with-pex-tubing#2
PEX Piping: Everything You Need to Know
Laundry room PEX Plumbing
Both PEX and copper are good options; however, both have some advantages and disadvantages as well. PEX is less expensive, and fast to install, while copper is more expensive and can burst in cold weather.
How to Install a PEX Plumbing System | how-tos | DIY
How to install PEX piping
Tiny Wheel Estate