Sediment Trap - Kenmore 153.338071 Owner's Manual

Theappliance and
its indivlduaI shut-off valve shalI be
disconnected from the gas supply piping system during any
pressure testing of that system at test pressures in excess of
1/2 pound per square inch (3.5 kPa). It shall be belated from
the gas supply piping system by closing its individual manual
shut-off valve during any pressure testing of the gas supply
piping system at test pressures equal to or less than 1/2 pound
per square inch (3.5 kPa).
Connecting the gas piping to the gas control valve of the water
heater can be accompllshed by either of the two methods
shown in Figures 19 and 20.
Sediment Traps
Fire and Expmosioa Hazard
'_ Contaminants in gas lines can
cause fire or explosion,
Clean aH gas piping before
installation.
instal[ drip leg in accordance with
NFPA54.
Contaminants in the gas lines may cause improper operation
of the gas control valve that may result in fire or explosion.
Before attaching the gas line be sure that all gas pipe ls clean
on the inside. To trap any dirt or foreign material in the gas
supply Ilne, a drip leg (sometimes called a sediment trap)
must be incorporated in the piping. The drip leg must be readily
accesslbb, install in accordance with the Gas Piping section.
Refer to the current edition of the National Fuel Gas Code,
ANSI Z223.1/N FPA 54.
A sediment trap shall be installed as close to the inlet of the
water heater as practical at the time of water heater installation.
The sediment trap shall be either a tee fitting with a capped
nipple in the bottom outlet or other device recognized as an
effective sediment trap. if a tee fitting is used, it shall be instailed
in conformance with one of the methods of instailation, shown
in Figures 19 and 20.
GROUND JOINT
UNION GAS CONTROL
(OPTIONAL)
3" MINN.
176.2m_}
CAP
NGURE 19. GAS PIPgNG WITH FLEXIBLE CONNECTOR.
GROUND JOONT
UNION BLACK PIPE
(OPTOONAL}
GAS
CONTROL
VALVE
3" MIN,
(7&2 m
CAP
RGURE 20. GAS PmPBNG W _TBALL
BLACK IRON PmPE TO GAS CONTROL.
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