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Installation Instructions (cont'd)
_bT _, WARNING
he appliance and its gas connection must be leak tested
efore placing the appliance in operation.
_,WARNING
• The appliance and its individual shutoff valve must be discon-
nected from the gassupply piping system during any pressure
testing of the gas system at test pressures in excess of _/2
poundper square inch (3.5kPa).
• The appliancemust be isolated from the gassupplypiping sys-
tem by closing its individual manual shutoff valve during any
pressure testing of the gassupply piping system at test pres-
suresequal or lessthan ½pound per square inch (3.5kPa).
_WARNING as being
Use pipe joint compound or teflon tape marked
resistant to the actionofpetroleum[Propane(LP,)] gases.
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 be either a tee fitting with a capped nip-
ple in the bottom outlet or other device recoFnized 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
Contaminants in the gaslines 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 is clean
on the inside. To trap any dirt or foreign material in the gas
supply line, a drip leg (sometimes called a sediment trap)
must be incorporated in the piping. The drip leg must be
readily accessible.Install in accordance with the "Gas Piping"
section. Refer to the latest edition of the National Fuel Gas
Code, ANSI Z223.1, also referred to asNFPA 54.
GAS PIPING WITH
FLEXIBLE CONNECTOR
GAS SUPPLY
PIPING FLEXIBLE GAS CONNECTOR
GROUNDIO'NT
" " " _ (Sediment trap) GAS
CAP
GAS PIPING WITH ALL BLACK IRON
PIPE TO GAS CONTROL
GAS SUPPLY
PIPING
GROUND JOINT -_
UNION(Optional}T_ _
3" rain. DRIP LEG GAS
GO , OL
CAP
15
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