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Installation Instructions (cont'd)
_,WARNING
• The applianceand itsindividualshutoffvalvemustbediscon-
nectedfromthe gassupplypipingsystemduringanypressure
testingof the gassystemat test pressuresin excessof '/
poundper squareinch(3.5kPa).
• The appliancemustbeisolatedfromthe gassupplypipingsys
tern byclosingits individualmanualshutoffvalveduringany
pressuretestingofthe gassupplypipingsystem at test pres-
suresequalorlessthan½poundper squareinch(3.5kPa).
&WARNING
Use pipe joint compound or teflon tape marked as being
resistantto theactionofpetroleum [Propane(LR)] gases.
GROUND JOIN]
UNION(Optional)
GAS PIPING WITH
FLEXIBLE CONNECTOR
FLEXIBLEGAS CONNECTOR
LABELED AS COMPLYING
WITH ANSI STANDING
DRIP LEG
Isediment trap)
I CAP
GAS
CONTROL
VALVE
SEDIMENT TRAP
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 he either a tee fitting with a capped nip-
ple in the bottom outlet or other device recognized as an effec-
tive sediment trap. If a tee fitting is used, it shall be installed in
conformance with one of the methods of installation shown
below.
Connecting the gas piping to the gas control valve of the water
heater can be accomplished by either of the two methods shown.
&WARNING
Contaminantsinthe gaslines may causeimproper operation
of the gascontrol valvethat may resultin fire or explosion.
Beforeattachingthe gaslinebesurethat all gaspipeisclean
on the inside.To trap anydirt or foreign materialin the gas
supplyline, a drip leg (sometimes calleda sediment trap)
must be incorporated in the piping,The drip leg must be
readilyaccessible.Installin accordancewith the "Gas Piping"
section.Referto the latesteditionof the National FuelGas
Code,ANSI Z223.1,alsoreferredtoasNFPA 54.
GAS PIPING WITH ALL BLACK IRON
PIPE TO GAS CONTROL
GROUND JOINT BLACK PIPE
UNION(Optional)
m_i DRIP LEG
3" n. (Sediment trap)
GAS
CONTROL
VALVE
CAP
15
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