Vent: sloped or vertical section of drainpipe designed to allow sewer gasses to escape and be replaced by outdoor air so pressure is not lost during the venting. When it is lifted, the pop-up drain closes for the purpose of retaining water. A type of pottery most commonly used for plumbing fixtures, such as toilets. An opening into the ground from which drains can be inspect-ed and rodded or cleaned out, both towards and away from a building, also acting as a junction into which the drainage from other plumbing fixtures may discharge into the horizontal drain. The work or trade of a plumber. A removable plate, usually secured by bolts or screws, to permit access to a pipe or pipe fitting for the purposes of inspection, repair or cleaning. Plumbing illustrated dictionary pdf Examples of acids in plumbing include active fluxes for pipe-cleaning purposes and drain-cleaning solutions. That which enables a fixture, appliance or equipment to be reached by ready access or by a means that first requires the removal or movement of a panel, door or similar obstruction. Plumbing tree – prefabricated set of drain waste, vent and supply lines. 2. View their privacy policies in the links. Pop-Up Drain - A type of drain assembly that uses lavatory lift rod or bath overflow plate lever. It is a compound of ceramic materials fired at a high temperature to form a nonporous body. Informal An arrangement of bodily vessels or ducts: "treating stroke victims by reversing the plumbing of the body's circulatory system" (Associated Press). Plumbing, Kitchen & Bath Dictionary An easy-to-use glossary of common plumbing terms and abbreviations. Pre-charged tank – a water storage tank pre-charged with air at factory, featuring a vinyl bag to separate water from air to prevent water-logging. – it’s usually round to prevent the cover from falling into the opening, Mapp gas – a colourless, flammable gas made by combining liquefied petroleum gas with Methylacetylene-Propadiene – it is a stable, non-toxic fuel used for brazing and soldering, Meter tailpiece – an adapter connecting a water meter to the water supply line, Mission coupling – a neoprene flex coupling, connecting PVC to PVC, or clay to PVC, Mixing valve – mixes hot and cold water to achieve a specified delivery temperature, Monobloc faucet – a single-handle faucet, usually a lever, Multi-port valve – rotary type backwash valve, which can replace up to six regular gate valves, Multi-stage pump – a pump that has more than one impeller, Municipal water – water supplied by a city for public use, NOM – nominal – usually refers to the inside diameter of trade sizes of copper pipe, Natural gas – a colourless, odourless fuel (primarily consisting of methane) derived from the Earth – odours are added to aid in leak detection, Neo angle base – a shower base designed to allow a shower to be fitted in to a corner using minimal floor space, Negative pressure – less than atmospheric pressure, Nipple – a short length of pipe installed between couplings or other fittings, Nipple extractor – a tool used to unscrew sections of piping, No-hub connector – a connector for no-hub iron pipes consisting of a rubber sleeve and a stainless steel band secured by hose clamps, O-Ring – round rubber washer used to create a watertight seal, OD – Outside Diameter – the diameter of a pipe measured from the outside edge, Oakum – loosely woven hemp rope that has been treated with oil or another waterproofing agent, which is used to caulk joints, Oil powered – a water heater that uses oil for its fuel source, Operating cost – the cost of running a water heater for a given time period, Orbital weld – a circumferential, full fusion weld used to join together two lengths of tubing, Organic matter – plant and animal substance created by living organisms, Outlet – the opening through which water exits the pump, Overflow tube – the vertical tube inside a toilet tank that directs water into the bowl in case the ballcock malfunctions, Ozone – an unstable form of oxygen, which can be generated by an electrical discharge through air or regular oxygen – it is a strong oxidising agent and has been used in water conditioning as a disinfectant, PB – polybutylene – a flexible type of tubing used in water supply systems, PH – Potential Hydrogen – the hydrogen ion concentration of water measured on a scale of 0 to 14 (below 7 denotes acidity and above 7 indicates alkalinity), PPM – Parts Per Million – a unit of measure for impurities in water, PR – Pressure Regulator – usually required if water pressure exceeds 80 PSI (pounds per square inch), Packing nut – the nut that holds the stem of a faucet in position, Perfect vacuum – theoretically, space without matter in it, Perforated pipe – a pipe designed to discharge water through small nozzles, placed in a segment of its circumference for irrigation purposes, Petcock – a small faucet for draining liquids or relieving air pressure, Pickling – pipe immersed into an acid bath for removal of scale, oil or dirt, Pilot – a small burner used to ignite the main burner, Pin – external (male) threaded end of pipe, Pipe dope – substance applied to threaded fittings to create a watertight seal, Plumbing tree – prefabricated set of drain waste, vent and supply lines, Poppet – valve that rises perpendicularly to or from its seat, Pre-charged tank – a water storage tank pre-charged with air at factory, featuring a vinyl bag to separate water from air to prevent water-logging, Pressure head – pressure in a plumbing system – the unit of measure which is the vertical force exerted by water at a depth of one foot, Primary air – air which is mixed with gas before the gas leaves a burner port to burn – the ideal burning condition is generally 10 cubic feet of air per one cubic foot of gas, Priming jet – opening in bowl through which tank-supplied water flows – designed to propel waste up into trapway, Pumping level – the lowest water level reached during pumping operation, Purged line – a plumbing line in which the faucet has been opened and allowed to run for a specified length of time (usually between 1 and 5 minutes), Quench – accelerated cooling, frequently in water (oil, water), Quick closing valve – a valve or faucet that closes automatically when released manually or that is controlled by mechanical means for fast action closing, R & D – Reamed and Drifted – pipe commonly used in water wells with a heavy-duty coupling, RF – Recovery Factor – rating based on the efficiency of the product, Raw water – water supplied to the plant before any treatment, Recovery – the amount of water in gallons that can be heated in one hour (gph), Recovery capacity – the amount of water in gallons per hour raised 100 degrees F at a given thermal efficiency and BTU per hour, Red water – water that is red or brown in colour due to the presence of precipitated iron and/or iron bacteria, Reducer – a fitting that connects pipes of different sizes together, Refill tube – the tube that directs water from a ballcock into the overflow tube to refill bowl after a siphon break, Relief valve – a valve that opens to relieve excess temperature, Reverse osmosis – a water treatment method whereby water is forced through a semi permeable membrane to filter out impurities, Rigid pipe – pipe designed to transmit the backfill load to the foundation beneath the pipe, Rim holes – a series of small holes in the underside of a toilet rim through which water flows to wash over the entire inner service of the bowl, Roof flashing – sheet metal installed at any break in a shingled roofline to prevent leaks around sewer vents, Rough-in – installation of the drain, waste, vent and supply lines in a structure to the proposed location of each fixture, Run – a complete or secondary section of pipe that extends from supply to fixture or drain to stack, Saddle tee – fitting that taps into the side of a pipe to make a quick connection to an existing line, Saddle valve – a valve mounted on a pipe run by a clamping device or saddle tee to supply water for a low-demand device, Safety shutoff valve – a device on a gas appliance that shuts off the gas supply to prevent a hazardous situation, Sag pipe – a section of a sewer line that is placed deeper in the ground than normal to pass under utility piping, waterways, rail lines, highways or other obstacles, Saponification –the process in which a fatty acid is neutralised with an alkali or base to form a soap, Scale – a thin layer of calcium on the interior of a tank that may prevent heat transfer, Schedule – numbers assigned to different wall thicknesses of pipe (e.g. Leave your name and number and we will contact you. Valve Seat: the stationary section of a valve. In plumbing, valves are used in faucets and showers, and can be called mixing valves because they control the mix of hot and cold water to achieve desired water temperatures. Pipes located in unheated basements or garages should be insulated with a commercial covering. All Rights Reserved. plumbing system In a house, there are four plumbing systems enabling water to circulate: hot and cold water distribution, pipe ventilation and wastewater evacuation. Chapter 14 sample pages - Plumbing Level 2 Student Book 2nd editionPDF, 1. Pop-Up Drain: Type of drain assembly for lavatory and bath. Your email address will not be published.