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Toilet Training 101
Here's how your toilet
works:
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Two assemblies are
concealed under the
lid of a toilet
tank: 1) a ball cock
assembly, which
regulates the
filling of the tank,
and 2) a flush valve
assembly, which
controls the flow of
water from the tank
to the bowl.
-
When someone presses
the flush handle,
the trip lever
raises the lift
wires (or chain)
connected to the
tank stopper.
-
As the stopper goes
up, water rushes
through the valve
seat into the bowl
via the flush
passages. The water
in the bowl yields
to gravity and is
siphoned out the
trap.
-
Once the tank
empties, the stopper
drops into the flush
valve seat. The
float ball trips the
ball cock assembly
to let a new supply
of water into the
tank through the
tank fill tube.
-
As the tank water
level rises, the
float ball rises
until it gets high
enough to shut off
the flow of water.
If the water fails to
shut off, the overflow
tube carries water down
into the bowl to prevent
an overflow.
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