Gas Piping - Kenmore 153.337162 Owner's Manual

Installation Instructions (cont'd)
Venting (cont'd)
All vent gases must be completely vented to the outdoors of the
structuze (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.
l
TO
CHIMNEY
VENT PIPE INSTALLATION
Gas Piping
AWAJRNING
Hake sure the gas suppliedis the same type listed on the
model rating plate. The inlet gaspressuremust not exceed
10.5in.water column (2.6kPa)for natural gasor 13 in. water
column (3.2kPa) for propane(/E) gas. The minimum inlet
gaspressureI" . .L_ on the model rating plate is for the pur-
poseofinput adlUStmant.
I AWARNm(; I
If the gascontrolvalveis subjected to pressures exceeding½
poundper squareinch(3.5kPa), the _ to the gascon- [
trnl valvecouldresultin a fire or explosion from leoldng gas. I
AWAR_I. ING I
[ If the main gasline shutoffsorwng all gasappliances is used,I
alsoturn "of/" the gasat eachappi.uu_e.. L eaveall gasappii-
I antes shutoffuntil the water heater matailation iscomplete. I
There must be a minimum of 6" cleaeance between single wall
vent pipe and any combustible material. Fill and seal any dear-
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
Failureto have required clearancesbetween vent pipingand
€ombusttl_e material will resultin a fire hazard.
I . AWARNING I
Be surevent Ixpe is prnperlyconnectedto prexentescapeof
dangerous flue gases whichcouldcausedeadly_spl_dation.
AWARNING
Chemical vapor corrosionof the flue and vent system mm /
Occurif air for combustion containscertain chemicalvapor_
Spray can propellants,cleaningsolvents, r efrigerator and air
conditioner refrigerants,swimmingpool chemicals, caJcium
and sodiumchloride,waxes,bleach,and process chemicals are
typicalcompoundswhich are petandally corrosive.
A gas line of su_cient size must be run to the water heater.
Consult the latest edition of National Fue! Gas Code ANSI
Z223.1, also referred to as NFPA 54 and the gas company con-
cerning 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
shutoff valveend 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 solution and wipe dry.
Standard Models are for installation up m 3,300 feet above sea
level.
Altitude Mode_ are for installation from 3,300 to 5,500
feet abovesea level.
Ifa standard model is installed above 3,300 feet or a high aldmde
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 levd,
Contact your local Sears Service Center or gas utility for further
information.
_,WARNING
The appliance and its gas connection must be leak tested
beforeplacing the appliancem operation.
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