Cleanout plug

The cleanout plug is in a trap or drain pipe. The cleanout plug offers access to the drain line for clearing any blockage in the pipes.

Closet

Synonym for a toilet, also referred to as a “water closet”

Closet auger

A closet auger is a flexible rod that is used to access a toilet’s trap to remove any clogs.

Closet bend

The closet bend connects the closet flange to the toilets drain.

Closet flange

The closet flange is a ring that anchors the closet bend to the floor. The closet flange also includes closed bolts that secure the toilet in place.

Diaphragm

The diaphragm is a flexible membrane that helps regulate water flow and build up within a valve.

Dip tube

The dip tube sends cold water to the bottom of the water heater tank.

Drip leg

The drip leg, also known as the “sediment trap”, is a pipe installed at the lower segment on a gas line. The capped off section collects condensation and debris.

Escutcheon

The escutcheon is a protective cover under the faucet handle that masks the fixtures hole.

Fall/Flow

The fall, also known as flow or pitch, refers to the slope needed to create proper drainage in pipes.

Fixture

A fixture refers to the plumbing device that provides water and/or disposal. Common fixtures in plumbing are toilets, sinks and showers.

Gas cock

The gas cock on a main gas line allows for the gas to be shut off.

The gate valve controls the flow of liquids in pipes.

Gravity operated toilet

A gravity operated toilet relies on downward pressure of water in a toilet tank to flush. Gravity operate toilets often have ballcocks in their tank.

Gray water

Gray water is any waste water that comes from common fixtures, but not toilets.

Horizontal branch

The horizontal branch runs from plumbing fixtures to a waste stack.

Horizontal run

Horizontal run is the distance liquid travels from the entry point and exit of a pipe.

Hose bib

A hose bib is a common outdoor faucet.

Main line

The main line supplies water from the water company’s meter at street level to the branch pipes around your home.

Nipple

A nipple is a short pipe that connects couplings and other fittings.

Power flush system

The power flush system compresses water to provide a pressurize flush. This system is often found in business and commercial settings.

PRV or pressure reducing valve

PRV, or pressure reducing valve, is a special valve that is installed directly on the main water line. The PRV constrains the amount of water entering from the water companies supply to normalize water pressure for home use.

PVC

PVC pipes are sturdy plastic pipes that are used for drainage, waste and vent systems.

Rim holes

Rim holes are a series of small holes around the toilet bowl. Water flowing from the rim holes washes over the surface of the bowl to refill the toilet bowl.

Saddle valve

The saddle valve is a mounted pipe run by a clamping device. The saddle valve is used to make quick connections between low-demand devices.

Septic tank

A septic tank is a small sewage treatment system for homes with no connection to local sewage pipes. Septic refers to the bacteria that decomposes the waste inside the tank.

Straight stop valve

A straight stop valve is a straight shutoff valve used to close off water supply during repairs.

Sump pump

A sump pump is used in basements that flood often. The sump pump sits in a pit that accumulates the water, where it pushes the water outside the home.

Supply line

A supply line is a metal or plastic line that carries water directly from the main line into a plumbing fixture.

T&P valve or temperature and pressure valve

The temperate and pressure relief valve is used to safely release excess heat or pressure in a water tank.

Tailpiece

The tailpiece is a pipe that runs between a fixture and trap.

Trap

The trap is a curved section of drain line that prevents sewer odor from entering your home. All plumbing fixtures have a “P” trap, except for a toilet that has an “S” trap.

Trapway

The trapway connects the toilet bowl to a waste outlet. The size of the trapway, also known as the passageway, influences clogging.

Trip lever

The trip lever is the flush handle and actuating arm on a toilet tank. The trip lever is attached to the flapper, which results in the toilet flushing. The trip lever can also refer to the drain in a tub.

Vent

The vent is a pipe that allows air into the drain system.

Vent stack

The vent stack, also known as a stink pipe, releases gas and odors outside the home.

Water hammer

The water hammer is a loud noise and vibration associated with pipes being turned on or off. The water hammer is caused by a sudden surge, or halt, of water in the pipes.

Now that you’ve reviewed the plumbing glossary, you can now effectively express any issues that may arise the next time you reach out to the professionals to fix your ballcock, sump pump or flapper valve. When you do finally reach out to the pros, make sure to reach out to Petro, the most trusted plumbing service provider.*

*plumbing services not available in all areas