A class of non-reactive organic compounds that contain carbon and fluorine combined to be used in lubricants, cleaners, fire extinguishers, aerosols, etc.
Flush
(1) To flow and spread suddenly or rapidly. (2) To become cleaned, washed, or emptied out by a flow of water. (3) To be even or on the same plane with surface.
Flush ball
Flapper.
Flush ball valve
The outlet valve in the tank of a toilet, which includes a guided stopper in the tank, itself and a device, which connects the stopper to the handle for flushing. When the handle is pressed, the handle lifts the stopper out of the water in the tank, which allows the water in the tank to drain out through to the bowl of the toilet. Once the handle is released and the water level is lowered, the stopper is pulled back into the water tank. When the stopper is returned to the outlets, it seals and does not allow any more water to flow out of the tank until the handle is pressed again.
Flush bushing
For whirlpools, a variable valve regulating the amount of water delivered to the jets. For faucets, a valve connector device controlling water flow rate.
Flush device box
Electrical box which has tapped holes to fasten switches or outlets flush with a surface.
Flush door
Door with a plywood facing over the internal core of wood or wood products. A hollow core door is one with plywood facing over framework without a solid core.
Flush ell
Also referred to as a water closet ell, this elbow fitting goes between a wall-hung tank and the bowl.
Flush joint
Also called a rough-cut joint, this mortar joint is troweled level and flush with the brick face.
Flush plug
Plug which screws into a floor mounted electrical box.
