User`s guide

Instructions for Installation (cont'd)
AWARNING I GAS PIPING WITH
Use pipe joint compound or teflon tape marked as' FLEXIBLE CONNECTOR
being resistant to the action of petroleum [Propane
(LR)]gases. I
GAS SI. PPLY PIPING
SEDIMENT TRAP
A sediment trap shall be installed as close to the inlet of the MANUAL _ _
SHUTOFF
water heater as practical at the time of water heater instaUa- VALVE
tion. The sediment trap shall be either a tee fitting with a
capped nipple in the bottom outlet or other device recognized --t... FLEXIBLEGASCONNECTOR
as an effective sediment trap. Ifa tee fitting is used, it shall be LABELEDASCOMPLYING
installed in conformance with one of the methods of installa- WITHANSISTANDARDS
tion shown below. GROUNDJOINT
UNION
(OPTIONAL)
Connecting the gas piping to the gas control valve of the
water heater can be accomplished by either of the two meth-
ods shown. _ DRIPLEG
/
(SEDIMENT
3 _ MIN. TRAP/ GAS
CONTROL
VALVE
CAP
_,WARNING
Contaminants 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 gas pipe is clean on the inside. To GAS PIPING WITH ALL BLACK IRON PIPE TO
trap any dirt or foreign material in the gas supply GAS CONTROL
line, a drip leg (sometimes called a sediment trap)
must be incurs.orated in the piping. The drip leg
must be readily accessible. Install in accordance GASSUPPLYPIPING
with the "Gas Piping" section. Refer to the current
edition of the National Fuel Gas Code, ANSI Z223.1
also referred to as NFPA 54.
MANUAL _
SHUTOFF
VALVE
GROUND JOINT_ _:R
UN,ON
BLACK PIPE GAS
_.I I I (SEDIMENT --
3" MIN I I TRAP)
33