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Installation Instructions (cont'd)
Venting (cont'd) Gas Piping
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 draft hood.
Vent pipes must be secured at each joint with sheet metal screws.
TO
CHIMNEY
RISE PER LINEAR
RISE?:O .EAR
!
VENT PIPE INSTALLATION
There must be a minimum of 6" dearance between single wall
vent pipe and any combustible materi_l. 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 dear-
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
Failureto haverequireddexrdncesbetweenventpipingand
combustiblematerialwillresultina firehazard.
A WARNING
Besureventpipeisproperlyconnectedto prevonte_capeof
dangerousfluegaseswhichcouldcausedeadly_/x_tion.
AWARNING
Chemicalvaporcorrosionofthe flueandvent systemmay
occurtf air for combustioncomainscert_ chemicalvapor_
Spraycanpropellants,cleaningsolvents,refrigeratorand air
conditionerrefrigerants,swimmingpoolchemicals,calcium
andsodiumchloride,waxes,bleach,andprocesschemicalsare
typicalcompoundswhicharepotenti_dlycorrosive.
AWARNING
Make sure the gas suppliedis the same type listed on the
model ra_ng plate. The inlet gaspressuremust not exceed
Ifl.Sin. water column(2,6k_) for natural gasor 13i_ water
column (3.2kPa) for propane (LR) ge_ The minimum inlet
gasprossumlisted on the model rating plate isfor the pur-
poseof input ad'FWanont.
AWARNING
Ifthe ges conerolvalve issubjecU_ to pressuresexceeding'A
pound per square inch (3.Side), the damagetO the gascon.
trnl vaJvecould reanlt in a fire or explosionfrom lealdngga_
A W'_RNING 1
If the main gasline shutoffservingaJlgasappliancesk used,|
alsoturn "OFF" the gasat each appliance.Leaveall gasappli- |
antes shutof/until the water heater installationiscomplete. ]
A gas llne 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 asNFPA54 and the gascompany concern-
ing pipe size.
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 gaspiping for leaks before lighting the
waterheater. Use a soapy water solution, not a match or open
flame.Rinseoffsoapysolutionandwipe 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
_t abo_e 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 sealevel.
Contact your local Sears Service Center or gas utility for further
information.
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