Toilet terminology


ADA - Refers to toilets meeting the Americans with Disabilities Act.

American Standard - A big brand from North America that manufactures numerous bathroom, plumbing, and building fixtures.

Auger - Also known as a toilet snake, this is a tool used to clear deep blockages. Will navigate bends effectively.


Back flush - Waste removed from the bowl through a back waste outlet rather than a floor based one.

Ballcock - Also known as a float valve, this is a mechanism designed to refill the tank with water once flushed.

Bidet - A seat with a spray attached, designed to be a more hygienic way to clean up after going to the bathroom.


Caroma - Brand founded by Charles Rothauser in 1941.

Comfort height - Taller, more accessible designs that are easier to sit down upon.

Composting - An environmentally friendly option designed for people who want to save money or go off the grid.

Concealed trapway - Refers to the trap being hidden with a skirted, smoother exterior for both looks and ease of maintenance.

Cushioned seat - A more comfortable, padded toilet seat. Often made with foam and vinyl.


Delta - Another popular manufacturer. A company used for numerous fixtures and fittings in the lavatory with a solid reputation.

Duravit - A brand with collections that tend to be quite eye catching. Both wall and floor mounting options available, as well as numerous other types of hardware and fixtures for bath and kitchen.


Elongated - Term used when referring to the shape of the bowl.

EPA - Environmental protection agency. Often refers to loos that consume less water.


Flush valve - This is the valve located inside the tank and will push water through the bowl to remove the waste.


Gerber - A company that manufactures a number of shower, bathroom, and kitchen hardware and fixtures.

Glacier Bay - A brand from Home Depot. Learn more about some of their products here.

GPF - Gallons per flush. How much water is used to flush out waste from the bowl.


HET - High efficiency toilet. A product that uses smaller amounts of water.


KOHLER - Another respectable manufacturer in the industry, producing all kinds of bathroom fixtures and accessories.


Mansfield - Another reputable brand name, providing several different styles and ranges to meet differing tastes.

MaP test - A company that provides a test to determine how effective and powerful a products flush is. Runs on a scale of zero to one thousand grams of waste.

Mirabelle - Manufacturer producing beautifully crafted toilets that look great and include plenty of variety in shape and size.


Niagara - A company known for producing environmentally friendly products. Their Stealth range consumes just 0.8 gallons of water with each flush.


One piece - A type of toilet that comes with the tank and bowl together from one bit of ceramic.


Plunger - A tool used to unclog the pipes.


Rough in - A measurement from the wall to the center of the pipe outlet. 12" is seen as industry standard, but you also get 10" and 14" too.


Sterling - No not the currency, this is a brand of KOHLER.

Square bowl - The shape of the seating area. Also known as rectangular bowls.

Soft closing - This refers to a toilet seat which closes quietly and gently.


Toilet seat riser - A fixture which attaches to the bowl to increase its overall height and make it easier to sit down on for people with disabilities.

TOTO - A well known brand name in the industry.

Touchless - Refers to a flushing mechanism that utilizes a electro magnetic field and sensors to activate the flush.

Trip lever - The handle that you pull to send water through the bowl and activate the flush mechanism.

Two piece - Refers to the style that has the tank and the bowl separated.


Upflush - A special type of flush that is used to pump waste upwards from below the sewage line. Good for temporary set ups, and for fitting bathrooms in unconventional places in the household.

Urinal - A bowl usually hung to wall which makes male bathroom use easier and more hygienic. Primarily for urination.


Wall hung - Refers to toilets that are attached to the wall with no mounting fixtures or hardware on the floor. Also known as floating loos.

WaterSense - Refers to models with a GPF of 1.28 or less.

Waste outlet - The hole which the water and waste passes through.

WoodBridge - Company based in California that produce all types of bathroom and kitchen hardware.