Glossary

AERATOR
A device located in the faucet spout that mixes air with water.It is made from a screen and restrictor that limits the flow of water while increasing water pressure.
BIDET
This is a plumbing fixture similar to a toilet bowl, but no solids are to be deposited in a bidet. It is used for washing genitals and posterior areas of the body. It is floor mounted, usually next to a toilet, and incorporates a washing basin, faucet and sprayer. Bidets are commonly equipped with a hot and cold mixing valve to provide warm water for washing.
BROACH
A stem with multiple grooves which hold the handle lever and the escutcheon together.
CENTER-to-CENTER (CTC)
This dimension typically refers to the points where the water enters the faucet to where it exits the faucet.  It also can refer to the distance between the hot valve and the cold valve.
CENTERSET
Sometimes called a four inch centerset.  This is a one-piece faucet with hot and cold valves that is set on four inch center-to-center.
CERAMIC DISC
Two pieces of ceramic within the valve that open and close to allow volume control.
CONNECTING TEE
This part attaches the hot and cold flex hoses to the inlet of the spout.
DRAIN ASSEMBLY
The trim and rough mounted to the bottom of the basin to hold or release water. This assembly also includes the mechanical linkage that attaches to the lift knob on the spout.
ESCUTCHEON
Plate used to cover unused mounting holes on sinks.  Also known as cover plates, flanges or bells.
FLEX HOSE
These parts connect the outlet of the valves to the connecting tee on the spout. They’re also referred to as supply lines. The hoses are typically fabricated from braided stainless steel to allow for ease of installation.
LIFT KNOB ASSEMBLY or POP-UP ASSEMBLY
Knob mounted on a vertical rod to operate the pop-up drain.
ROUGH-IN
Any part that is installed in the wall, floor or ceiling or under the counter or deck.
SPLINES
The length of most stems that has grooves around the perimeter. The handle has matching grooves machined into it. The grooves are called splines.
VALVE
Threaded housing for the cartridge.
WIDESPREAD SET
A three-piece faucet with spout, hot and cold valves and trim. This type can typically be installed on 8”, 10” or 12” centers.