PEX

A type of water distribution pipe fabricated from cross-linked polyethylene.  PEX tubing is a plastic material used for both residential water supply piping systems and hydronic heating systems (using water). Advantages Include: Potentially Fewer Leaks : PEX plumbing...

Xylol

An aromatic hydrocarbon which is distilled from coal tar. It is used as a solvent for synthetic resins and gums.

Zeolite

A material used in water softeners that attracts colloidal particles in water and retains them until the material is subject to water with a high concentration of salt dissolved in it. When in the presence of salt water

Zip cord

A cord built into a package covering that can be used to tear away the covering. The exposed end of the zip cord is pulled on so that it will tear through the package cover and allow it to be pulled away.

Low Flush Toilet

A toilet that uses 1.6 gallons per flush (GPF) or less in accordance with federal plumbing standards. High efficiency toilets that use up to 1.28 GPF.  Older toilets may use 3.5, 5, or even up to 7 gallons of water with every flush.