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Installation
Instructions
(cont'd)
Venting (cont'd)
All vent gases must be completely vented to the outdoors of the
structure (dwelling). Install only the draft hood provided with
the new water heater and no other drafthood.
Vent pipes must be secured at each joint with sheet metal screws.
__
--
"_
TO
CHIMNEY
MIN. ¼ INCH
RISE PERLINEAR
FOOT
t
VENT
PIPE INSTALLATION
Gas Piping
AWARNING
Make sure the gas supplied is the same type listed on the
model rating plate. The inlet gas pressure must not exceed
14 inches water column _A pound per square inch (3.5kPa).
The minimum inlet gas pressure listed on the model rating
plate is for the purpose of input adjustment.
AWARNING
, I
If the gascontrolvalveissubjected to pressures exceeding ½I
poundper square inch(3.gkPa),the damageto the gascon-
trol valvecouldresultin a fire or explosion from leaking
There must be a minimum
of 6" clearance
between single wall
vent pipe and any combustible
material.
Fill and seal any clear-
ance between
single wall vent pipe and combustible
material
with mortar
mix, cement,
or other
noncombustible
substance.
For other than single wall, follow vent pipe manufacturer's
clear-
ance specifications.
To insure a tight fit of the vent pipe in a
brick
chimney,
seal around
the vent pipe with
mortar
mix
cement.
AWARNING
t
Failureto haverequired dearancesbetween vent pipingand
combustibe material will result in a fire hazard.
AWARNING
I
Be sureventpipe is properlyconnectedto preventescapeof
dangerous flue gases whichcoud causedeadlyasphyxiation.
AWARNING
Chemical vapor corrosion of the flue and vent system may
occur if air for combustion contains certain chemical vapors.
Spray can propellants, cleaning solvents, refrigerator
and air
conditioner refrigerants,
swimming pool chemicals, calcium
and sodium chloride, waxes, Beach, and processchemicals are
typical compounds which are potentially corrosive.
AWARNING
If the main gasline shutoffservingall gasappliances isused,I
alsoturn "OFP' the gasat eachappliance. Leaveall gasappli-
ances shutoff untilthe water heater instalation is compete.
A gas line of sufficient
size must be run to the water heater.
Consult
the latest edition
of National
Fuel Gas Code ANSI
Z223.1, al.so referred to as NFPA54 and the gas company concern-
mg pipe sEze.
There must be:
• A readily accessible manual shut offvalve in the gas supply line
serving the water heater, and
• A drip leg (sediment trap) ahead of the gas control valve to help
prevent dirt and foreign materials from entering the gas control
valve.
• A flexible gas connector
or a ground joint union between the
shutoffvalve and control valve to permit servicing of the unit.
Be sure to check all the gas piping for leaks before lighting the
water heater. Use a soapy water solution,
not a match
or open
flame. Rinse offsoapy smution and wipe dry.
Standard
Models are for installation
up to 3,300 feet above sea
level.
High Altitude
Models are for installation
from 3,300 to 5,500
feet above sea level.
Ifa standard model is installed above 3,300 feet or a high altitude
model is installed
above 5,500 feet, the input
rating must be
reduced at the rate of 4 percent for each 1,000 feet above sea level.
Contact
your local Sears Service Center or gas utility for further
information.
A WARNING
leak tested
The appliance and its gas connection must be
before placing the appliance in operation.
14
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