Plumbing Systems and Maintenance
Expert-defined terms from the Advanced Skill Certificate in Hotel Maintenance and Engineering Management course at LearnUNI. Free to read, free to share, paired with a globally recognised certification pathway.
A #
A
1. Air Gap #
- Air gap is a physical separation between the water outlet and the flood level… #
It ensures that any wastewater cannot flow back into the clean water supply.
2. Angle Stop #
- An angle stop is a type of shut-off valve located under sinks and toilets that… #
It is usually connected to the water supply line and can be turned off in case of repairs or emergencies.
3. Auger #
- An auger is a plumbing tool used to clear clogs in drains and pipes #
It consists of a flexible cable with a corkscrew-like tip that can be inserted into the pipe to break up blockages and allow water to flow freely.
B #
B
1. Backflow Prevention #
- Backflow prevention is the practice of ensuring that contaminated water does n… #
This is typically achieved through the use of devices such as air gaps, check valves, and vacuum breakers.
2. Ball Valve #
- A ball valve is a type of shut-off valve that uses a ball with a hole in the m… #
When the handle is turned, the ball rotates to either allow or stop the flow of water.
3. Bidet #
- A bidet is a plumbing fixture used for personal hygiene, particularly after us… #
It typically features a spray nozzle that cleans the user's private areas with water, promoting cleanliness and comfort.
C #
C
1. Check Valve #
- A check valve is a device that allows water to flow in only one direction #
It prevents backflow by closing automatically when water tries to flow in the opposite direction, ensuring that the water supply remains clean and uncontaminated.
2. Cleanout #
- A cleanout is a pipe fitting with a removable cap that provides access to a se… #
It allows plumbers to remove blockages and inspect the pipe for any issues.
3. Compression Fitting #
- A compression fitting is a type of pipe joint that connects two pipes or a pip… #
This creates a watertight seal without the need for soldering or welding.
D #
D
1. Drain Snake #
- A drain snake is a flexible tool used to clear clogs in drains and pipes #
It can be manually or mechanically operated and is inserted into the pipe to break up blockages and restore proper drainage.
2. Drip Irrigation #
- Drip irrigation is a method of watering plants by delivering water directly to… #
It helps conserve water by reducing evaporation and runoff.
E #
E
1. Elbow Fitting #
- An elbow fitting is a type of pipe joint that allows pipes to change direction… #
It is commonly used to navigate around obstacles or connect pipes in tight spaces.
2. Expansion Tank #
- An expansion tank is a device used in hot water systems to accommodate the exp… #
It helps prevent pressure build-up in the system and ensures the safety and efficiency of the water heater.
F #
F
1. Fixture #
- A fixture is a device connected to a plumbing system that provides a specific… #
Fixtures are essential components of a building's plumbing infrastructure.
2. Float Valve #
- A float valve is a mechanism used in toilet tanks to regulate the water level #
It consists of a float that rises and falls with the water level, triggering the valve to open or close and maintain the desired water level.
G #
G
1. Grease Trap #
- A grease trap is a plumbing device used in commercial kitchens to intercept gr… #
It helps prevent clogs and contamination in the plumbing system.
H #
H
1. Hose Bib #
- A hose bib is an outdoor faucet used to connect hoses for gardening, washing c… #
It is typically located on the exterior of a building and has a threaded outlet for hose attachment.
2. Hydrojetting #
- Hydrojetting is a method of drain cleaning that uses high-pressure water jets… #
It is an effective and environmentally friendly way to clear clogs and restore proper drainage.
I #
I
1. In #
line Check Valve:
- An in-line check valve is a type of valve that allows water to flow in only on… #
It is installed in a pipe to prevent backflow and ensure that water flows in the intended direction without contamination.
2. Insulation #
- Insulation is a material used to wrap pipes and water heaters to prevent heat… #
It helps maintain water temperature, reduce energy costs, and protect the plumbing system from cold weather damage.
J #
J
1. Jet Flush #
- Jet flush is a feature in toilets that uses high-pressure water jets to clean… #
It provides a powerful and efficient flush, ensuring that the toilet remains clean and hygienic.
K #
K
1. Krausen #
- Krausen is the foamy head that forms on top of fermenting beer #
It consists of yeast, proteins, and other compounds that rise to the surface during the fermentation process, indicating that the yeast is active and producing alcohol.
L #
L
1. Leak Detection #
- Leak detection is the process of identifying and locating leaks in a plumbing… #
It involves using specialized equipment and techniques to detect hidden leaks behind walls, under floors, or in other hard-to-reach areas.
2. Low #
Flow Fixtures:
- Low-flow fixtures are plumbing fixtures designed to reduce water consumption b… #
They include faucets, showerheads, and toilets that help conserve water without sacrificing performance.
M #
M
1. Manifold System #
- A manifold system is a plumbing configuration that uses a central distribution… #
It is commonly used with PEX piping to create efficient and flexible plumbing layouts.
2. Mixing Valve #
- A mixing valve is a device that blends hot and cold water to achieve a desired… #
It is commonly used in showers and faucets to prevent scalding and ensure a consistent water temperature.
N #
N
1. Non #
potable Water:
- Non-potable water is water that is not suitable for drinking but can be used f… #
It helps conserve fresh water and reduce wastewater generation.
2. Nozzle #
- A nozzle is a device attached to the end of a hose or pipe that controls the d… #
It can be adjusted to create different spray patterns for watering plants, cleaning surfaces, or other applications.
O #
O
1. Overflow Drain #
- An overflow drain is a feature in bathtubs and sinks that prevents water from… #
It is located near the top of the fixture and allows excess water to drain out if the main drain becomes blocked or clogged.
2. Outdoor Shower #
- An outdoor shower is a fixture located outside the building that provides a co… #
It is commonly found near pools, beaches, and camping sites.
P #
P
1. P #
trap:
- A P-trap is a U-shaped pipe located under sinks and drains that traps water to… #
It creates a seal that blocks odors and maintains proper drainage in the plumbing system.
2. Pressure Regulator #
- A pressure regulator is a device used to control and reduce the water pressure… #
It ensures that the pressure remains within a safe range to prevent damage to pipes, fixtures, and appliances.
Q #
Q
1. Quick Connect Fitting #
- A quick connect fitting is a type of pipe joint that allows pipes to be easily… #
It is commonly used in plumbing systems for quick and convenient installation.
R #
R
1. Rainwater Harvesting #
- Rainwater harvesting is the practice of collecting and storing rainwater for l… #
It helps reduce water consumption, lower utility bills, and provide a sustainable source of water for irrigation and other purposes.
2. Relief Valve #
- A relief valve is a safety device that automatically releases pressure from a… #
It is commonly used in water heaters, boilers, and other plumbing systems to protect against overpressure conditions.
S #
S
1. Siphon Jet Toilet #
- A siphon jet toilet is a type of toilet that uses a powerful jet of water to c… #
It provides an efficient and thorough flush, ensuring that the toilet remains clean and odor-free.
2. Sump Pump #
- A sump pump is a device used to remove excess water from basements and crawl s… #
It is typically installed in a sump pit and activated by a float switch to pump water outside and prevent flooding.
T #
T
1. Tap #
- A tap is a device used to control the flow of water from a pipe #
It is commonly known as a faucet in the United States and is used in sinks, showers, and other plumbing fixtures to release water for various purposes.
2. Temperature and Pressure Relief Valve (TPR Valve) #
- A temperature and pressure relief valve is a safety device installed on water… #
It prevents the tank from exploding in case of overheating or overpressurization.
U #
U
1. Urinal #
- A urinal is a plumbing fixture used for urination, commonly found in men's res… #
It is designed to be water-efficient and hygienic, with various flushing mechanisms such as manual, automatic, or waterless.
V #
V
1. Vacuum Breaker #
- A vacuum breaker is a device that prevents backflow by creating a siphon break… #
It is commonly used on outdoor faucets, hose bibs, and irrigation systems to protect the water supply from contamination.
2. Vent Stack #
- A vent stack is a vertical pipe that allows air to enter the plumbing system t… #
It helps maintain proper drainage and prevent sewer gases from escaping into the building.
W #
W
1. Water Hammer #
- Water hammer is a phenomenon that occurs when the flow of water is suddenly st… #
It can lead to damage and should be addressed by installing water hammer arrestors.
2. Water Softener #
- A water softener is a device that removes minerals such as calcium and magnesi… #
It helps prevent scale buildup, improve water quality, and extend the lifespan of plumbing fixtures and appliances.