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Ballcock
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The mechanism that controls the flow of water into a gravity-operated toilet tank. The ballcock is controlled by the float mechanism floating in the water in the tank. When the toilet is flushed, the float drops and opens the ballcock, allowing water to enter the tank and/or bowl. The float rises as the water level in the tank is restored, and shuts off the ballcock when the tank is completely filled. Also referred to as a float valve.
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Ball passage
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Refers to the size of a ball, which can pass through the trap way of a toilet. Standards are established based on minimum size ball passage. Ball passage also relates to trap way size. Generally speaking, the size of the trap will be 1/8" larger than the maximum size ball, which can pass through it.
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Basin wrench
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Tightens or removes hard-to-reach faucet mounting and coupling nuts.
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Bath Faucet
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Bath fucets consist of a valve and tub spout (no showerhead).
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Bath & Shower Faucet
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Bath & shower faucets consist of a showerhead, valve, and tub spout.
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Bidet
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A personal hygiene fixture with hot and cold water supply for genital and perineal cleanliness.
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Bidet faucet
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Bidet faucets are faucets for bidets.
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Blow-out water
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A toilet having a non-siphonic trap way at the rear of the bowl, and integral flushing rim and jet.
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Bodysprays
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Shower component used in conjunction with a showerhead to deliver flow of water. It is commonly used in multiples to create a custom showering space.
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Bowl
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Water-containing receptor, which receives liquid and solid body waste; two general bowl classifications are round front and elongated.
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Close couple
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Describes a toilet with a separate tank and bowl, secured to each other, and with a separate tank cover. Also referred to as a two-piece toilet.
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Cycle time
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The time beginning at the instant a toilet flush lever is actuated, until the instant the water supply shuts off, completing the flush cycle.
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Dam
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The barrier built into the trap way of a toilet that controls the water level in the toilet bowl.
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Diverters
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Valve which redirects flow of water to another application within a plumbing system. It is commonly used for diverting water from the tub faucet to a showerhead. With 3-way diverters, two shower options--such as a showerhead and bodysprays--can operate at the same time.
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Elongated bowl
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Toilet bowl having dimensions of 14" wide by 18 1/2" long (from center of seat hinge holes to front outside rim edge). Generally more comfortable for adults.
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Flapper
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Also known as flush ball, the flapper is the moving part of the flush valve that seals the water into the tank or allows water to exit the tank for the flush cycle. This is the predominant replacement part used on conventional toilets.
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Float ball
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The floating ball connected to the ballcock inside the tank, which rises or falls with changing water levels in the tank, and actuates or shuts off the ballcock as needed.
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Flushing surface
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The interior surface of the bowl, and all other surfaces, which may come into contact with water during flushing.
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Glaze
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Glossy, water-resistant, colored finish surface on vitreous china plumbing fixtures.
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GPF
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Abbreviation for "gallons per flush", used in discussing water consumption for toilets.
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Gravity operated toilet
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A toilet, which relies on the natural downward pressure (or "head") of water in a toilet tank to flush the toilet effectively.
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Handshower Holders/Wall Brackets
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Handshower holders are also known as wall Brackets. They are adjustable brackets which attach to a slide bar or hanger allowing the user to pivot and rotate the position of a handshower.
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Handshowers
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Showerhead attached to the end of a flexible hose which the bather can hold during bathing or showering.
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Insuliner®
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Kohler's Registered trade name for factory-installed tank insulation, which minimizes condensation on the outside of the tank (also known as tank sweating) when exposed to high humidity.
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Jet
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An orifice or other feature of a toilet that is designed to direct water into the trap way quickly, to start the siphon action.
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Lavatory faucet
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“Lavatory” is the industry term for a bathroom or washroom sink. A lavatory faucet is a type of faucet designed to deliver water into a lavatory.
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Low consumption toilets
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A classification of toilet designed to flush using 1.6 or less gallons of water, as opposed to 3.5 gallon "Water-Saving" toilets, and other higher-consumption toilets.
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One piece toilet
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A toilet in which the tank and bowl are manufactured as a single vitreous china fixture. Typically, one-piece toilets have a lower profile than two-piece toilets. One piece toilets are sleeker, easier to clean, more leak proof.
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Overflow tube
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The vertical tube inside a toilet tank (usually part of the flush valve), which directs water into the bowl in case the ballcock malfunctions. If the ballcock does not shut off properly, water will drain through the overflow tube into the bowl, and flow harmlessly over the dam and out the drain. This prevents potential water damage caused by the tank overflowing, and indicates to the user that there is a problem by a "constant running" condition. On most toilets, the overflow tube also has a refill tube flowing into it. The refill line directs water from the ballcock through the overflow tube, to the bowl, after the siphon break.
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Peace keeper™
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Kohler’s patented, factory-installed, battery-powered, seat-actuated flushing system, which initiates the flush cycle when the user simply lowers the seat lid.
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Pipe wrench
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Used to tighten and loosen pipes and large fittings.
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Plumbers putty
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Provides a watertight seal.
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Priming jet
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Opening in bowl through which tank-supplied water flows, designed to propel waste up into the trap way.
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Putty knife
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Used to scrap putty and caulk from fixtures.
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PVC
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Rigid plastic for drain-waste-vent; highly resistant to damage from heat or chemicals; superior to ABS. Join with a solvent glue.*
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Refill tube
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On most toilets, a refill tube directs water from the ballcock into the overflow tube to refill the bowl after the siphon break.
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Reverse-trap water closet
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A toilet having a siphonic trap way at the rear of the bowl, and integral flushing rim and jet. Minimum dimensions are 9" x 8" water spot, and 1 1/2" ball pass.
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Rim holes
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A series of small holes, in the underside of a toilet rim, around the circumference of the bowl. Incoming water flows down into the bowl through these holes, creating a rinse effect, or "rim wash" over the entire inner surface of the bowl.
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Roman tub faucet
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A roman tub faucet refers to the faucet that is mounted on the deck of the whirlpool or bathtub enclosure and fills the tub with water.
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Rough-in dimensions
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The distance from a finished wall or floor to the center of the waste or supply opening or mounting holes on a plumbing fixture.
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Rough-in Valve
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Refers to the valve body which gets installed inside the wall that controls the flow of water.
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Round front bowl
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Toilet bowl having dimensions of 14" wide by 16 1/2" long (from center of seat hinge holes to front outside rim edge).
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Self-rimming
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A plumbing fixture, such as a sink or tub that is mounted on top of a counter top or platform. This type of mounting is sometimes referred to as a drop in.
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Shower Arms
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Shower trim component that delivers water to the showerhead.
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Shower Bars
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Shower bars are also know as Slide bars.
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Shower Elbows/Supply Elbows/Drop Ells
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Shower elbows are also known as supply elbows, or shower ells. They are plumbing elbows into which threads the shower arm. They are secured to the wall framing. The vertical water supply pipe from the bath/shower valve connects to the shower ell inlet.
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Shower faucet
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Shower faucets consist of a showerhead and valve (no tubspout).
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Showerheads
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Device that delivers water in a showering space. It may have adjustable spray feature and valve for regulating the flow of water from the shower.
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Shower Hoses
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Hose that delivers a flow of water to a handshower.
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Shower Valve
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Shower valves are the valve only for a bath & shower faucet (no showerhead or tub spout).
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Tank
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The fixture reservoir for flush water. On a conventional toilet, the ballcock, flush valve and trip lever are installed in the tank. A tank lid closes the top tank opening.
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Traps
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Chromed brass or plastic. Choose a style and diameter to fit application, join with compression fitting. Attaches to the drain.
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Trap seal
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The heights of water in a toilet bowl "at rest, it provides a water seal which prevents sewer gases from entering the home. Trap seal is measured from the top of the dam, down to the inlet of the trap way. Also referred to as deep seal.
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Trim
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Any non-vitreous china toilet components accept the seat. Examples include ballcock, bolt caps, and trip lever.
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Trip lever
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Handle, which is rotated to initiate the toilet flush cycle. Kohler factory-installed trip levers have a polished chrome finish; optional trim kits offer trip levers in other finishes. Toilets equipped with Peacekeeper seat-actuated flush do not have a trip lever.
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Tub Spout
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Faucet component which delivers water from the faucet valve to the bath.
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Two piece toilet
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A standard toilet with a separate tank and bowl. Also referred to as close-coupled.
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ULF
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"Ultra Low Flush", a widely used descriptor for 1.6 gpf (or less) low consumption toilets.
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Under-mount
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A plumbing fixture, such as a sink or tub that is mounted underneath a counter top or platform. This type of mounting offers a clean and contemporary look.
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Urinal
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A plumbing fixture which receives only liquid body waste and conveys the waste through a trap seal into a gravity drainage system.
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Utility knife
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Trims plastic pipes, cuts through caulking.
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Vacuum Breakers
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Device which opens when a vacuum occurs to prevent the backward flow of water in a supply line and contamination of the potable water supply.
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Vitreous china
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As applied to plumbing fixtures, compounded of ceramic materials fired at high temperature to form a nonporous body with exposed surfaces coated with ceramic glaze fused to the body.
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Wash down water closet
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A water closet having a siphon trap way at the front of the bowl, and integral flushing rim. Minimum dimensions are 8" x 7" water spot, and 1 1/2" ball pass.
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Water closet
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A plumbing fixture having a water-containing receptor which receives liquid and solid body waste and, upon actuation (flushing), conveys the waste through a trap way into a gravity drainage system.
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Water saving toilet
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A classification of toilet, which uses no more than 3.5 gallons and no less than 1.6 gallons per flush.
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Water spout
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The water surface in the toilet bowl once the flush is completed. This is established by the height of the integral trap way dam. Usually expressed in inches of width by length. For example, the K-3490 Portrait Lite has a 9" x 8" water spot. Also referred to as water surface.
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