Plumbing Trade Terms

Plumbing Trade Terms, 100 cards with the word and explanation

Sample Cards

Absorption Field

Place where liquid waste is absorbed

Adaptor

Connects two different types of pipes

Air Gap

Space between a water outlet and top overflow level

Backflow

Potable water supply contamination due to pressure changes

Ball Valve

Shutoff valve operated by a full turn

Bends

Pipes curving in different directions

Blowback

Sudden burst of gas in boiler firing

Branch

Any part of a piping system other than the main, vertical supply, or riser

Plumbing Trade Terms Flashcards

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Absorption Field

Place where liquid waste is absorbed

Place where liquid waste is absorbed

Absorption Field

Adaptor

Connects two different types of pipes

Connects two different types of pipes

Adaptor

Air Gap

Space between a water outlet and top overflow level

Space between a water outlet and top overflow level

Air Gap

Backflow

Potable water supply contamination due to pressure changes

Potable water supply contamination due to pressure changes

Backflow

Ball Valve

Shutoff valve operated by a full turn

Shutoff valve operated by a full turn

Ball Valve

Bends

Pipes curving in different directions

Pipes curving in different directions

Bends

Blowback

Sudden burst of gas in boiler firing

Sudden burst of gas in boiler firing

Blowback

Branch

Any part of a piping system other than the main, vertical supply, or riser

Any part of a piping system other than the main, vertical supply, or riser

Branch

Brass

Commonly used material in plumbing due to non-corrosive charactertistics

Commonly used material in plumbing due to non-corrosive charactertistics

Brass

Circuit Vent

Pipe installed to vent a fixture trap

Pipe installed to vent a fixture trap

Circuit Vent

Close Rough-In

Measure of distance to center of toilet flange from wall behind toilet

Measure of distance to center of toilet flange from wall behind toilet

Close Rough-In

Cleanout

Provides access to piping system for purpose of clearing blockages

Provides access to piping system for purpose of clearing blockages

Cleanout

Closet Bend

Curved fitting mounted immediately below the toilet connecting the closet flange with the drain pipe

Curved fitting mounted immediately below the toilet connecting the closet flange with the drain pipe

Closet Bend

Clamp

Fastening device used to hold or secure pipes

Fastening device used to hold or secure pipes

Clamp

Cold Water Inlet

Water line carrying fresh cold water into a water heater or appliance

Water line carrying fresh cold water into a water heater or appliance

Cold Water Inlet

Compression Fitting

Used to join pipe through compression

Used to join pipe through compression

Compression Fitting

Condensation

Precipitation of water droplets from humid air

Precipitation of water droplets from humid air

Condensation

Die

Tool for cutting external threads on pipe

Tool for cutting external threads on pipe

Die

Diverter

Changes water path from one outlet to another

Changes water path from one outlet to another

Diverter

Dope

Paste used to lubricate threads of iron pipes

Paste used to lubricate threads of iron pipes

Dope

Drip Leg

Sediment trap on gas lines

Sediment trap on gas lines

Drip Leg

Elbow

Fitting that changes the direction of a pipe run

Fitting that changes the direction of a pipe run

Elbow

Escutcheon

Decorative metal flange or trim shield beneath a faucet handle

Decorative metal flange or trim shield beneath a faucet handle

Escutcheon

Expansion Tank

Tank designed to absorb excessive pressure due to heating and cooling

Tank designed to absorb excessive pressure due to heating and cooling

Expansion Tank

Ferrule

Metal ring used to secure pipe into a fitting

Metal ring used to secure pipe into a fitting

Ferrule

Fixture

Device for the distribution and use of water in a building

Device for the distribution and use of water in a building

Fixture

Flapper

Device in toilet that seals the tank and allows water to exit

Device in toilet that seals the tank and allows water to exit

Flapper

Float Cock

Valve in the tank of a gravity-operated toilet

Valve in the tank of a gravity-operated toilet

Float Cock

Flow Control Valve

Regulates the flow or pressure of a fluid

Regulates the flow or pressure of a fluid

Flow Control Valve

Gasket

Seal that fills the space between two or more mating surfaces

Seal that fills the space between two or more mating surfaces

Gasket

Gate Valve

Valve that lift a round or rectangular gate to allow flow

Valve that lift a round or rectangular gate to allow flow

Gate Valve

GPM

Gallons per minute; measure of the flow rate of faucets and shower heads

Gallons per minute; measure of the flow rate of faucets and shower heads

GPM

Grease Trap

Device designed to prevent large amounts of grease from entering sanitary sewer systems

Device designed to prevent large amounts of grease from entering sanitary sewer systems

Grease Trap

Ground Joint

A joint type where a brass nut compresses a copper washer to form a seal

A joint type where a brass nut compresses a copper washer to form a seal

Ground Joint

Head Pressure

Pressure at the base of a column due to gravitational force

Pressure at the base of a column due to gravitational force

Head Pressure

Heat Exchanger

Device to transfer heat from one fluid to another

Device to transfer heat from one fluid to another

Heat Exchanger

Hose Bib

Faucet type placed on exterior of house, often garden hoses

Faucet type placed on exterior of house, often garden hoses

Hose Bib

Inlet

Where liquid or gas enters

Where liquid or gas enters

Inlet

J Bend

Section of p-trap where the waste water exits

Section of p-trap where the waste water exits

J Bend

Jumper Wire

Prevents electric charge buildup

Prevents electric charge buildup

Jumper Wire

Kilopascal

Unit of pressure

Unit of pressure

Kilopascal

Lift Pump

Device to lift fluid from one place to another

Device to lift fluid from one place to another

Lift Pump

Low Consumption Toilet

Toilet using less water per flush than standard toilets

Toilet using less water per flush than standard toilets

Low Consumption Toilet

Main

Primary pathway in a supply or drain system

Primary pathway in a supply or drain system

Main

Malleable

Material able to be significantly reshaped without cracking

Material able to be significantly reshaped without cracking

Malleable

Manifold

A pipe fitting that serves as a distribution point in a pipe system

A pipe fitting that serves as a distribution point in a pipe system

Manifold

Meter Stop

Valve placed on the customer's side of the meter

Valve placed on the customer's side of the meter

Meter Stop

MIP

Male iron pipe; threads are exterior

Male iron pipe; threads are exterior

MIP

Nipple

Short length of pipe installed between couplings or other fittings

Short length of pipe installed between couplings or other fittings

Nipple

No-Hub Coupling

Coupling that connects differing pipes

Coupling that connects differing pipes

No-Hub Coupling

O-Ring

Circular gasket used for sealing pipe connections

Circular gasket used for sealing pipe connections

O-Ring

Overflow

Pipe where water flows if items are overfilled

Pipe where water flows if items are overfilled

Overflow

PEX

material used in water supply piping system

material used in water supply piping system

PEX

Pop-Up Drain

Drain assembly for a bathtub

Drain assembly for a bathtub

Pop-Up Drain

Pressure

Force per unit area exerted by a fluid against a surface

Force per unit area exerted by a fluid against a surface

Pressure

Pump

A device used to move fluids

A device used to move fluids

Pump

Reducer

Fitting used to connect pipes of different size together

Fitting used to connect pipes of different size together

Reducer

Relief Valve

A safety valve that opens when pressure becomes too high

A safety valve that opens when pressure becomes too high

Relief Valve

Riser

A vertical water pipe

A vertical water pipe

Riser

Saddle Valve

A valve mounted on a pipe run by a clamping device

A valve mounted on a pipe run by a clamping device

Saddle Valve

Sanitary System

Part of building's plumbing system that carries off domestic and sanitary waste

Part of building's plumbing system that carries off domestic and sanitary waste

Sanitary System

Schedule 40

Common type of PVC pipe

Common type of PVC pipe

Schedule 40

Septic Tank

Tank where solid organic sewage decomposes under bacterial action

Tank where solid organic sewage decomposes under bacterial action

Septic Tank

Shutoff Valve

Valve that cuts off water to one or more fixtures

Valve that cuts off water to one or more fixtures

Shutoff Valve

Siphon

Bends in toilet traps to prevent sewer gasses from entering the bathroom

Bends in toilet traps to prevent sewer gasses from entering the bathroom

Siphon

Solder

Metal alloy used to join copper pipes

Metal alloy used to join copper pipes

Solder

Stub-Out

Short pipe installed through a wall or floor

Short pipe installed through a wall or floor

Stub-Out

Sweat

Fitting connecting copper pipings

Fitting connecting copper pipings

Sweat

Trap

Device that provides a liquid seal to prevent emission of sewer gases

Device that provides a liquid seal to prevent emission of sewer gases

Trap

Vent

Plumbing system component allowing air to circulate

Plumbing system component allowing air to circulate

Vent

Vitreous China

Ceramic materials fired at high temperature to form a non-porous body

Ceramic materials fired at high temperature to form a non-porous body

Vitreous China

Waste Arm

Drain pipe installed behind a fixture

Drain pipe installed behind a fixture

Waste Arm

Flange

Flat rim that increases strength or provides a housing for a bearing

Flat rim that increases strength or provides a housing for a bearing

Flange

Thread

Helical structure used to convert between rotational and linear movement or force

Helical structure used to convert between rotational and linear movement or force

Thread

Tubing

Cylindrical form or pipe, mostly used for structural support

Cylindrical form or pipe, mostly used for structural support

Tubing

Valve

Device regulating the flow of a fluid (gases, liquids, fluidized solids) by opening

Device regulating the flow of a fluid (gases, liquids, fluidized solids) by opening

Valve

Washers

Disc shaped thin plate with a hole, used to support, prevent leakage

Disc shaped thin plate with a hole, used to support, prevent leakage

Washers

Waste Pipe

Designed to carry waste or used water away

Designed to carry waste or used water away

Waste Pipe

Water Hammer

Noisy water pipe caused by a pressure surge or wave

Noisy water pipe caused by a pressure surge or wave

Water Hammer

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