Maytag HN41240P User Manual page 27

Instructions for Installation (cont'd)
a_,WARNING
I
Connecting the gas piping to the gas control valve of the
The appliance and its gas connection must be leak _
water heater can be accompfished by either of the two meth-
testedbefore placing the appliance in operation, I
ods shown.
_, WARNING J GAS PIPING WITH
FLEXIBLE CONNECTOR
• The appliance a_dual shutoff valve|
must be disconnected from the gas supply piping| I_GAS SUPPLY P IPING
system during any pressure testing of the gas sys-|
tern at test pressures in excess of 1/2 pound per|
square inch (3.SkPa). | MANUAL
• The appliance must be isolated from the gas sup-| SHUTOFFvALVE
ply piping system by closing its individual manual|
shutoff valve during any pressure testing of the|
gas supply piping system at test pressures equal| FLEXIBLE GAS CONNECTOR
or less than 1/2 pound per square inch (3.SkPa). J IABELEDwITH ANsIASsTANDARDsCOMPLYING
GROUND JOINT LOOP
1
UNION (OPTIONAL)
&WARNING
4
Use pipe joint common tape marked as
being resistant to the action of petroleum [Propane|
(L.P.)]gases. J GAS
DRIP LEG CONTROL
(SEDIMENT VALVE
3" MIN. TRAP)
SEDIMENT TRAP J¢
ICAP
Pt sediment trap shall be installed as close to the inlet of the
water heater as practical at the 6me of water heater installa-
tion. The sediment trap shall be either a tee fitting with a
capped nipple in the bottom outlet or other device recognized GAS PIPING WITH ALL BLACK IRON PIPE TO
as an effective sediment trap. Ifa tee fitting is used, it shall be
GAS CONTROL
installed in conformance with one of the methods ofinstalla- GASSUPPLY P IPING
tion shown.
MANUAL
SHUTOFF
_, WARNING
VALVE
Contaminant's 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 9as pipe is clean on the inside. To Jl-
trap any dirt or foreign material in the gas supply GROUND JOINT
line, a drip leg (sometimes called a sediment trap) UNION
must be incorporated in the piping. The drip leg lACK PIPE _ GAS
must be readily accessible. Install in accordance L ] L " _(._\ ".) _" CONTROL
with the "Gas Piping" section. Refer to the latest _ _ VALVE
edition of the National Fuel Gas Code, ANSI Z223.1,
also referred to as NFPA 54. _ I r DRIP LEG
I J (SEDIMENT
3" MIN.
L_ TRAp }
27