Gas Piping - Kenmore 153.330402 Owner's Manual

Installation Instructions (cont'd)
A, WARNING
• The appliance and its individual s hutoffvalvemust: b e discon-
nectedfrom the gassupply pipingsystem duringany pressure
testing of the gassystem at test pressures in excessof
poundper squareinch(3.5kPa).
• The appliancemust be isolated from the gassupply pipingsys
tem by closingits individual m anualshutoffvalveduring any
pressure testingof the gassupplypipingsystemat test pres-
suresequalor lessthan ½ poundper square inch(3.5kPa).
li WARNING
Use pipe joint compound or teflon tape marked as being
resistant to the actionof petroleum [Propane (L.R)] gases.
GAS PIPING WITH
FLEXIBLE CONNECTOR
O,OO OO T
UNlON(Opti_ VE
CAP
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 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,
li WARNING
Contaminantsin the gaslinesmay causeimproper operation
of the gascontrol valvethat may result in Ere or explosion.
Before attachingthe gasline be surethat all gaspipe isclean
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. Installin 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 ALL BLACK IRON
PIPE TO GAS CONTROL
GROUND JOINT _ BLACK PIPE
UNION(Optional)
__
GAS
CONTROL
VALVE
15