Drain and Sewer Terminology to Know
A pipeline that discharges into a junction with another pipeline or at an access junction, inspection chamber, manhole or other point of access.
When a plumbing fixture overflows due to a drain stoppage.
A collection pit for sewage, formed from concrete or brickwork. Purpose-made hydraulic equipment is used to periodically empty the cesspit.
A plug in a drain pipe or trap that allows access. The plug is used when an obstruction needs to be cleared.
A system that allows air to enter the home’s plumbing system. It maintains proper air pressure which helps drain wastewater from toilets, sinks, and showers.
Another term for “wastewater”. Foul water is water that has been discharged after being used in households or in a plumbing process.
The main is either a pipe or cable that serves as a primary distribution system. It is usually found beneath areas like footways or service zones.
A shaft or chamber with a cover that is located over a drain or sewer. Manholes allow technicians to inspect, test or clear and remove obstructions from underground.
An underground tank that decomposes and purifies sewage that flows slowly through it. The tanks is divided into two or more chambers or compartments by scum boards.
Wastewater from your home’s toilets, baths, and sinks. It can include liquid waste from your laundry as well.
Used to shut off water supply to a sink or toilet. Shutoff valves are installed under sinks and toilets and are sometimes referred to as an Angle Stop, Straight Stop or Supply Stop.
Surface water that collects from heavy rainfall or melting snow.
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