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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). Installonly the draft hood provided with
the new water heater and no other draf_ hood.
Vent pipes must be secured at eachjoint with sheet metal screws.
RISE PER LINEAR
FOOT
!
TO
CHIMNEY
VENT PIPE INSTALLATION
Gas Piping
AWARNING
Make sure the gassuppliedisthe sametype listedon the
modelrating plate. The inletgaspressuremust not exceed
10.5in.water column(2.6kPa)for naturalgasor 13in.water
column (3.2kPa) for propane(I-R) gas.The minimum inlet
gaspressurelistedon the model rating plate isfor the pur.
poseofinputadjustment.
• AWARNING I
If the gascontrolvalveissubjectedto pressuresexceeding_AI
pound per squareinch(3.5kPa),the damageto the gascon-
tro valvecouldresult na Ereor explosonfrom eakinggas.
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 _"tight fit of the vent pipe in a
brick chimney, seal around the vent pipe with mortar mix
cement.
AWARNING [
If the main gaslineshutoffserving all gasappliancesisused,[
alsotorn "off" the gasat eachappliance.Leaveall gasappli-
ancesshutoffuntilthe water heater installationscompete.
AWARNING
Failureto haverequiredclearancesbetweenvent pipingand
combustiblematerialwillresult ina Erehazard.
• AWARNING
Besurevent pipeisproperlyconnectedto preventescapeof
dangerousiluegaseswh chcoudcausedeadlyasphyxation.
AWARNING
Chemicalvapor corrosionof the flue and vent systemmay
occurif air for combustioncontainscertainchemicalvapors.
Spraycan propellants,cleaningsolvents,refrigerator and air
conditionerrefrigerants, swimmingpool chemicals,calcium
and sodiumchloride,waxes,bleach,and processchemicalsare
typicalcompoundswhicharepotentiallycorrosive.
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, also referred to asNFPA 54 and the gas company con-
cerning pipe size.
There must be:
• A readily accessiblemanual shut off valve in the gas supply line
servingthe water heater, and
• A drip leg (sediment trap) ahead of the gas control valveto hdp
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 valveto 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. Rinseoffsoapy solution and wipe dry.
t .
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
feetabovesealevel.
Ifa standard model is installed above3,300 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 abovesea level.
Contact your local Sears Service Center or gas utility for further
information.
AWARNING
The applianceand its gasconnectionmust be leak tested
before pacingtheapp ance n operation.
14