Gas Piping - Kenmore 153.330501 Owner's Manual

Installation Instructions (cont'd)
Venting (cont'd)
All vent gases must be completely vented to the outdoors of the
structure (dwelling). Instalfonly 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
I
|
VENT PIPE INSTALLATION
Gas Piping
AWARNING
Make surethe gassuppliedisthe same type listedon the
model ra_ng plate. The inlet r,.s pressure mint net exceed
10.Sin.watercolumn (?.6kPa) for naturalgasor 13in.water
column(3.2kPa)for prepane(L.P.)gas. The minimuminlet
gaspressure listedon the modelratingplate isfor tile pur-
poseofinput aff_aement.
&WARNING
If the gas control vaJveIs subjectedto pressuresexceeding 'AI
I ix_nd per square Irw.h(3.SkPa), the damase to the gascon- I
[ m)l valve eonldresult in a fire or explosionfrom leakinggas. [
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 fioncombustible 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 I
If the main gaslinethutoff serving all gasappliances i s used,
also tom "OFF" the gasat eachappliance. Leave all gasappli-
[ancesshutoffund the water heaterinstalat;oniscomplete. I
&WARNING
Failure to have required dearances between vent piping and
combustible material will result in a fire hazard.
Aw m,NG
I
Be sure vent pipe is properly connected to prevent escape of I
,uepses € ,Id deed ]
AWARNING
Chemical vapor corrosion of the flue and vent system may
occur if air for combustion containscertain chemicalvapors.
Spray can propellants, deaning solvents,refrigerator and air
conditionor refrigerants, _'wimming pool chemicals, calcium
and sodium chloride, waxes, bleach,taxi process chemicaJsare
typicalcompoundswhichare potentiallycorrosive.
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 as NFPA54 and the gas company concern-
ing pipe size.
There must be:
• A readily accessible manual shut off valve in the gas supply line
serving the water heater, and
• A drip leg (sediment trap) ahead of the gas control valve to hdp
prevent dirt and foreign materials from entering the gas control
Valve,
• A flexible gas connector or a ground joint union between the
ahutoffvalve and control valve to permit servicing of the unit.
Be sure to check all the gas piping for leaks beforeli_,hdng the
water heater. Use a soapy water solution, not a match or open
flame. Rinse off soapy solution _d wipe dry.
Standard Models are for instaUadon up to 3,300 feet above sea
level.
High Altitude Models are for ir_stalLation from 3,300 to 5,500
feetabovesea level.
Ifa standard model is installedabove 3,300 feet or a high aldtude
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 SearsService Center or gas utility for further
information.
AWARNING
The appliance and its gasconnection must be leak tested
before placing the app ance noper_on.
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