How a house works: A simple plumbing diagram of traps and vents.
curtain wall detail - Bing Images:
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.
Home-run manifold system Every line is separate, clean & pretty simple to fix. Cheaper & faster to fix. A must for those simplifying a home.