Plumbers Language

ABS.(Acrylonitrile Butadiene Styrene). Black plastic pipe that is used for plumbing on drains and vents.
Absorption Field. A field that is specfically treated to receive septic tank effluent.
Adjustable Hot Limit Stop: Slows hot water output in single control taps and showers to stop scalding by having a hot limit of movement.
Aerator: A drilled insert screwed onto a tap nozzle. This mixes air with the flowing water to reduce water splash .
Air Admittance Valve: A device that takes the place of a traditional vent to allow air to enter the pipe and equalise the pressure, preserving the seal of water in a WC trap. Kingston Plumbers fit these valves.
Air Gap: Fitted in a drainage system, the vertical opening between the lowest opening of a waste pipe and the flood level of the device into which it empties. Primary purpose is to prevent backflow contamination.
Auger: A very flexible rod with curved end, used to remove blockages from a toilet trap.
Back Pressure: Pressure that runs against the flow of liquid in a plumbing system pipework.
Back Flow: When water travelling from one system runs into a part of the main system, typically by the effect of siphoning.
Baffle: An device put in an appliance to alter the direction of, or slow down the flow of air, gases or water.
Balancing Valve: A heater valve that controls water flow to balance the heat distribution to different rooms.
Blowdown: Part vent or draining, under pressure, of the water side of a boiler to restrict or remove unwanted contaminants. The pressure drops after releasing a pressure-relief valve. A Kingston Plumber carries the correct tools.
Compression Fitting: A tubing or pipe connection on which a nut and a sleeve is placed over a copper or plastic tube and is compressed tightly around the tube. When the nut is tightened it grips and seals with no soldering.
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