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BLACK PIPE
SEDIMENT
76mm
TRAP
(3") MIN.
CAP
Figure 13
SEDIMENT TRAP
WARNING
• Contaminants in gas lines can
• Clean all gas piping before
• Install sediment trap in accor-
A sediment trap should be installed as close to the inlet of
the water heater as practical at the time of water heater
installation. The sediment trap should be either a tee fi tting
with a capped nipple in the bottom outlet or other device
recognized as an effective sediment trap. If a tee fi tting is
used, it should be installed in conformance with the method
of installation shown in Figure 13.
Contaminants in the gas lines may cause improper
operation of the gas control valve/thermostat that may
result in fi re or explosion. Before attaching the gas line be
sure that all gas pipe is clean on the inside. To trap any
dirt or foreign material in the gas supply line, a sediment
trap (sometimes called a dirt leg) must be incorporated in
the piping. The sediment trap must be readily accessible.
Install in accordance with the "Gas Piping" section. Refer
to the current edition of the "Natural Gas and Propane
Installation Code" B149.1 .
All manuals and user guides at all-guides.com
GAS
GROUND
CONTROL
JOINT
VALVE
UNION
(OPTIONAL)
Fire and Explosion Hazard
cause fire or explosion.
installation.
dance with B149.1.
HIGH ALTITUDE INSTALLATIONS
Installations above 2,347m (7,700'). require replacement
of the burner orifice in accordance with the current
edition of the "Natural Gas and Propane Installation
Code" B149.1 . Failure to replace the orifi ce could result
in improper and ineffi cient operation of the appliance,
producing carbon monoxide gas in excess of safe limits,
which could result in serious personal injury or death.
Contact your gas supplier for any specifi c changes which
may be required in your area.
Breathing Hazard - Carbon Monoxide Gas
Breathing carbon monoxide can cause brain damage or death.
Always read and understand instruction manual.
www. gsw-wh .com
WARNING
• High altitude orifice must be
installed for operation above
2,347 metres (7,700 ft.).
• Contact a qualified installer or
service agency.
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