Gas Piping - Kenmore ECONOMIZER 153.332318 Owner's Manual

Installation Instructions (cont'd)
AWARNING
• The applianceand its individualshutoff valve must be discon.
nected from the gassupplypiping systemduring any pressure
testing of the gas system at test pressuresin excess of '/2
poundper squareinch(3.5kPa).
• The appliancemust be isolatedfrom the gassupplypipingsys-
tem by closingits individualmanual shutoff valve during any
pressuretesting of the gassupplypiping systemat test pres-
sores equalor lessthan _ poundper squareinch(3.5kPa).
J AWARNING -1
Use pipe joint compound or teflon tape marked as being[
resistantto the acldonof poUoleum [Propane (LR)] gase_ [
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 otherdevice recognizedas an effec-
tive sediment trap. If a tee fitting is used, it shall be installedin
conformance with one of the methods of installation shown
below.
Connectin_ the gas piping to the gas control valve of the water
heater can oe accomplished by either of the two methods shown.
&WARNING
Contaminants in the gas linesmay causeimproper operation
of the gas control valve that may result in fire or explosion.
Before attaching the gas line be sore that ell gas pipe is clean
on the inside.To trap any dirt or foreign materiel 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 7.223.1,also referred to as NFPA 54.
GAS PIPING WITH
FLEXIBLE CONNECTOR
GKOUND
UNION(OlXional)
FLEXIBLE GAS CONNECTOR
LABELED AS COt'IPLYING
WITH ANSI STANDING
DRIP LEG
(Sedimenttrap)
ICAP
GAS PIPING WITH ALL BLACK IRON
PIPE TO GAS CONTROL
GROUND JOINT BLACK PIPE
UNION(Optional)
GAS
CONTROL
VALVE
GAS
CONTROL
VALVE
15