Gas Piping; Venting - Kenmore POWER MISER 153.336151 Owner's Manual

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 haverequired dexrdnces betweenvent piping and
combustible m aterialwillresultina firehazard.
A WARNING
Be sureventpipeisproperly connected to prevont e _cape of
dangerous f luegases whichcouldcause deadly _/x_tion.
AWARNING
Chemicalvaporcorrosion of the flue and vent systemmay
occurtf air for combustioncomains cert_ chemical vapor_
Spraycanpropellants, cleaning solvents, refrigeratorand air
conditioner refrigerants, swimming pool chemicals, c alcium
andsodium chloride, waxes, bleach, a ndprocess c hemicals a re
typicalcompounds which arepotenti_dly corrosive.
AWARNING
Make sure the gas supplied is the same type listed on the
model ra_ng plate. The inlet gas pressure must not exceed
Ifl.S in. water column (2,6k_) for natural gasor 13 i_ water
column (3.2kPa) for propane (LR) ge_ The minimum inlet
gas prossum listed on the model rating plate is for the pur-
poseof input ad'FWanont.
AWARNING
If the ges conerolvalve is subjecU_ to pressuresexceeding 'A
pound per square inch (3.Side), the damage tO the gascon.
trnl vaJvecould reanlt in a fire or explosionfrom lealdngga_
A W'_RNING 1
If the main gas line shutoff servingaJl gasappliancesk used,|
alsoturn "OFF" the gasat each appliance.Leaveall gasappli- |
antes shut of/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 as NFPA54 and the gas company 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 gas piping for leaks before lighting the
water heater. Use a soapy water solution, not a match or open
flame. Rinseoff soapy solution andwipe 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 sea level.
Contact your local Sears Service Center or gas utility for further
information.
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