A device that prevents nonpotable water from entering a potable supply system.
A thermoplastic material frequently used in tubing for cold water systems and the first type of plastic approved for use in plumbing
A plastic material used in plumbing and sanitary systems that becomes substantially infusible and insoluble when treated by heat or chemicals
A man-made channel used to carry water.
The third phase of a plumbing project. During the finish phase, plumbers install fixtures, appliances, water purification systems, water heaters, and controls. Also referred to as trim-out or trim finish
The managed use of drinkable water to reduce waste.
The collection and storage of rainwater for irrigation
A piping system that combines sanitary drainage with venting.
Field experience used in conjunction with classroom lessons in an apprenticeship program. OFFICE OF APPRENTICESHIP requires 144 hours of classroom instruction per year and 2,000 hours of OJL per year
The process of removing magnesium and sodium salts that cause scale on the inside of pipes and fittings.
Construction ordinances that are written by a national construction organization according to suggested national plumbing standards. Model codes that have not been adopted by a jurisdiction do not have the force of law
A system for certifying that buildings have been designed and constructed to environmental standards
According to the National Standard Plumbing Code, plumbing is “the practice, materials, and fixtures within or adjacent to any building structure or conveyance, used in the installation, maintenance, extension, alteration, and removal of all piping, plumbing fixtures, plumbing appliances, and plumbing appurtenances... ."
Devices that receive water from a water supply line. Common fixtures include sinks, shower stalls, and toilets.