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O
o
ring:
round rubber washer used to create a watertight seal,
chiefly around valve stems
oakum:
stranded hemp used in making hub joints (bell &
spigot) of cast iron pipe watertight.
overflow
tube:
vertical tube inside a toilet tank (usually part of the
flush valve), which directs water into the bowl in case
the ball cock malfunctions. If the ball cock does not
shut off properly, water will drain through the overflow
tube into the bowl which indicates to the user that there
is a problem by a "constant running" condition
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P
p
trap:
fixture trap in the shape of the letter "P"
PB
(polybutylene):
flexible plastic tubing for hot or cold water
PE
(polyethylene):
flexible plastic tubing for cold water
PVC
(polyvinyl chloride):
rigid plastic pipe for cold water
packing:
fibrous or rubberlike material that prevents leakage
around valve or faucet stems
packing
nut:
nut that holds the stem of faucet in position &
contains or confines the packing material
phillips
head:
type of screwdriver w/ 2 partial slots crossed at right
angles (x-shape head) image
pipe:
(different types of)
ABS
- acrylonitrile buradine styrene
Cast Iron
Copper
Galvanized (steel)
PVC - polyvinyl chloride
pipe
cutter:
plumbing tool designed to make perfectly square cuts in
pipe
pipe
joint compound:
material used as lubrication or sealer on threads of
pipes & fittings
pipe
wrench:
adjustable tooth-jawed wrench designed to grip pipe
image
pitch:
downward
slope of a drain pipe in the direction of liquid
flow
pliers:
there
is a wide variety of pliers, each used for a specific
task
adjustable
pliers: has
a sliding joint, permitting the span of the jaws to be
adjusted to hold various sizes of nuts & bolts
image
electrician's
pliers: used
for electrical wiring, these have insulated grips
& several features: wire cutter (to cutting
copper), wire stripper, crimper, & shear for small
bolts
locking
pliers: has
a threaded adjustment knob or worm gear, opposite the
jaws, making it possible to clamp down tightly onto
objects
needle-nose
pliers: has
jaws tapering to a point, used for handling small or
delicate objects and getting into hard-to-reach
areas
side-cut
pliers: or
wire cutters, these have incisor-like jaws, used for
nipping wire, small nails & bolts
plumb:
precisely
vertical
plumbing
code: legal
requirement for plumbing installations
plumbing
tree: pre-fabricated
set of drain, waste, vent & supply lines
plunger
clears
clogged drains and toilet traps through air & water
pressure image
power
snake: electrically
powered plumber's snake tool used for clearing blockages
in a main drain or sewer
pressure
regulator: device
installed on a water supply line to reduce water
pressure
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Q
- R
reamer
(tapered reamer): tool
for smoothing & removing burrs from the ends of
freshly cut pipe
reducer:
fitting
enabling pipes of different diameter to fit
together
reducing
tee: fitting
for connecting three pipes, either one or all of which
are of different sizes
refill
tube: on
most toilets, a refill tube directs water from the ball
cock into the overflow tube to refill the bowl after the
siphon break
relief
valve: valve
used on water heaters to prevent excessive heat or
pressure in the tank
revent:
pipe
installed specifically to vent a fixture trap. Connects
w/ the vent system above the fixture served
rim
holes: 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
riser:
vertical
run of pipe
rough-in
dimensions: 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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