If you find your faucet not giving you enough water, check the aerator. They are easily removed…
An Uponor plumbing system features Engel-method crosslinked polyethylene (PEX) tubing. This is a flexible plastic tubing product that has been used for more than 35 years in radiant floor heating, plumbing and fire safety systems.
A certified appliance refers to a designation affixed to the appliance by means of a a label. This label is provided by the company that has "certified" the appliance in terms of function and clearance to combustible materials.
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The standard in water line is copper, always has been, but it is expensive and generally used in commercial applications and premium installations. Plastic water line is far more common and with the advances in pipe composition, almost as durable.
The gray water line is Polybutylene (Poly-B for short) and is no longer manufactured.
