Kenmore 153331252, 153331242 Owner’s Manual

Owner's ManuaJ
®
POWER MISERTM 12
ULTRA LOW NO×
GAS WATER HEATER
FOR POTABLE WATER HEATING ONLY.
NOT SUITABLE FOR SPACE HEATING.
NOT FOR USE iN MOBILE HOMES.
153.331242 40 Gallon
153.331252 50 Gallon
This water heater meets the new ANSI Z21.10.1 standard that deals with the accidental or unintended ignition of flammable
vapors, such as those emitted by gasoline.
Safety Instructions
Installation
Operation
Care and Maintenance
. Troubleshooting . Parts List
manual and safety messages before installing, operating or
servicing this water heater.
Failure to follow instructions and
safety messages could result in
death or serious injury. Instruction manual must remain
with water heater.
AN ODORANT iS ADDED TO THE GAS USED BY THIS WATER HEATER.
For Your Safety
WARNING: if the information in these
instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.
--Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this or any other appliance,
-- WHAT TO DO IF YOU SMELL GAS:
Do not try to light any appliance. Do not touch any electrical switch; do
not use any phone in your building. Immediately call your gas supplier
from a neighbor's phone. Follow the gas supplier's instructions.
If you cannot reach your gas supplier, call the fire department.
--Installation and service must be performed by a qualified installer,
service agency orthe gas supplier.
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A
PRINTED IN THE U.S.A 0707 _tVVW,SeatS,COJ'_ PART NO. 186192-000
Your safety and the safety of others is extremely important in the installation, use and servicing of this water heater.
Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential hazard. Read and obey all safety messages and instructions throughout this manual, it is very important that
the meaning of each safety message is understood by you and others who install, use or service this water heater.
to potential personal injury hazards. Obey all safety
,_ This is the safety alert symbol. It is used to alert you
messages that follow this symbol to avoid possible
injury or death.
situation which, if not avoided, could result
DANGER indicates an imminently hazardous in death or injury.
situation which, if not avoided, could result
WARNING indicates a potentially hazardous in death or injury.
CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, could result in property damage.
All safety messages will generally tell you about the type of hazard, what can happen if you do not follow the safety message and how to avoid the risk of injury.
The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to publish a list of substances known to the State of California to cause cancer, birth defects, or other reproductive harm, and requires businesses to warn of potential exposure to such substances.
WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.
This appliance can cause low-level exposure to some of the substances included in the Act.
iMPORTANT DEFINITIONS
Gas Supplier: The natural gas or propane utility or service who supplies gas for utilization by the gas burning appliances within this application, The gas supplier typically has responsibility for the inspection and code approval of gas piping up to and including the natural gas meter or propane storage tank of a building, Many gas suppliers also offer service and inspection of appliances within the building,
© Sears, Roebuck and Co.
manual and safety messages before installing, operating or
servicing this water heater.
Failure to follow instructions and
safety messages could result in
death or serious injury. Instruction manual must remain
with water heater.
Wafer temperature over 125°F (52°C) can cause severe burns instantly resulting in severe injury
or death. Children, the elderly, and the
physically or mentally disabled are at highest riskforscald injury.
Feel water before bathing or showering.
Temperature limiting valves are
available
Read instruction manual for safe
temperature setting.
Fire Hazard
For continued protection against riskof fire:
-Do not install water heater on carpeted floor.
-Do not operate water heater if
flood damaged.
Explosion Hazard
Overheated water can cause watertank explosion.
Properly sized temperature and pressure relief valve must
be installed in opening provided.
Fire or Explosion Hazard
, Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any otller appliance.
* Avoid all ignition sources if you smell LP gas. * Do not expose water heater control to excessive gas
pressure,
, Use only gasshown on ratingplate
- Maintain required clearances to combustibles.
- Keep ignition sources away from faucets after extended period of non-use.
Read instruction manual before
installing, using or servicing
water heater.
improper installation and use may result
in property damage.
Do not operate water heater if flood damaged. Inspect and replace anode.
- Install in location with drainage.
Fill tank with water before operation. Be alert for thermal expansion.
Refer to instruction manual for installation and service.
Breathing Hazard - Carbon Monoxide Gas
. Install vent system in accordance with
codes.
. Do not operate water heater if flood
damaged.
High altitude orifice must be installed for
.,,:. ::,, ,_:,:._! Do not operate if soot buildup.
J_!_i}_ -"'°_:_'_'''_:i':'_ operation above 2,000 feet (610 m).
o,_1:_:_, _,..:_:,o Do not obstruct water heater air intake
_,,dlll:ll ,_it_; _ Do not place chemical vapor emitting!_ products near water heater.
b
Breathing carbon monoxide can cause brain damage or
death. Always read and understand instruction manual.
with insulating jacket.
= Gas and carbon monoxide detectors
are available.
SAFE INSTALLATION, USE AND SERVICE ......................................................................................................................2
SAFETY PRECAUTIONS .............................................................................................................................. 3
TABLE OF CONTENTS ................................................................................................................................. 4
CUSTOMER RESPONSIBILITIES .........................................................................................................................................5
PRODUCT SPECIFICATIONS ................................................................................................................................................5
MATERIALS AND BASIC TOOLS NEEDED .......................................................................................................................6
Materials Needed ..................................................................................................................................................... 6
Basic Tools ................................................................................................................................................................ 6
TYPICAL INSTALLATION .......................................................................................................................................................... 7
INSTALLATION INSTRUCTIONS ......................................................................................................................................8-17
Removing the Old Water Heater ............................................................................................................................... 8
Facts to Consider About the Location .................................................................................................................. 9-10
Insulation Jackets ................................................................................................................................................... 10
Combustion Air and Ventilation Appliances in Unconfined Spaces ........................................................................ 11
Combustion Air and Ventilation Appliancesin Confined Spaces ........................................................................ 11-12
Water Piping ...................................................................................................................................................... 12-13
T & P Valve and Pipe Insulation ........................................................................................................................ 13-14
Temperature Pressure Relief Valve ................................................................................................................... 13-14
Filling the Water Heater .......................................................................................................................................... 15
Venting ............................................................................................................................................................... 15-16
Gas Piping ......................................................................................................................................................... 16-17
Sediment Trap ........................................................................................................................................................ 17
OPERATING INSTRUCTIONS .........................................................................................................................................18-19
Lighting & Operating Label ..................................................................................................................................... 18
Temperature Regulation ......................................................................................................................................... 19
SERVICE AND ADJUSTMENT ........................................................................................................................................20-22
Tank (Sediment) Cleaning ...................................................................................................................................... 20
Venting System Inspection ..................................................................................................................................... 20
Burner Inspection ................................................................................................................................................... 20
Removing the Burner Door Assembly .................................................................................................................... 21
Ultra Low NOx Natural Gas Burner ........................................................................................................................ 21
Replacing the Pilot Assembly ................................................................................................................................. 21
Replacing the Thermocouple .................................................................................................................................. 22
External Inspection & Cleaning of the Flame Arrestor ............................................................................................ 22
Cleaning the Combustion Chamber and Flame Arrestor ........................................................................................ 22
Replacing the Burner DoorAssembly ..................................................................................................................... 23
Piezoelectric Igniter System ................................................................................................................................... 23
Testing the Igniter System ...................................................................................................................................... 23
Removing and Replacing the Gas Control Valve/Thermostat ................................................................................ 24
Housekeeping ......................................................................................................................................................... 24
Anode Rod Inspection ............................................................................................................................................ 24
Temperature-Pressure Relief Valve Operation ....................................................................................................... 25
Draining .................................................................................................................................................................. 25
Drain Valve Washer Replacement .......................................................................................................................... 25
Service .................................................................................................................................................................... 25
TROUBLESHOOTING GUIDE ........................................................................................................................................26-30
Start Up Conditions ........................................................................................................................................... 26-27
Thermal Expansion ........................................................................................................................................... 26
Strange Sounds ................................................................................................................................................ 26
Draft Hood Operation ........................................................................................................................................ 26
Condensation .................................................................................................................................................... 27
Smoke/Odor ...................................................................................................................................................... 27
Operational Conditions ........................................................................................................................................... 27
Smelly Odor ...................................................................................................................................................... 27
Air in Hot Water Faucets ................................................................................................................................... 27
High Temperature Shut-Off System .................................................................................................................. 27
Troubleshooting Items ....................................................................................................................................... 28-30
PARTS ORDER LIST ................................................................................................................................................................31
WARRANTY .................................................................................................................................................................................32
Thank You for purchasing a Kenmore water heater. Properly
installed and maintained, it should give you years of trouble free service. If you should decide that you want the new water heater professionally installed by Sears, call 1-8OO-4-MY-HOME e_'.They
will arrange for prompt, quality installation by Sears authorized
contractors.
Abbreviations Found In This Instruction Manual:
CSA - Canadian Standards Association ANSI -American National Standards Institute NFPA - National Fire Protection Association
ASME -American Society of Mechanical Engineers GAMA - Gas Appliance Manufacturers Association
This gas-fired water heater is design certified by CSA
INTERNATIONAL under American National Standard/CSA Standard for Gas Water Heaters ANSI Z21.10.1 CSA 4.1
(current edition).
Read the "Safety Precautions" section, page 3 of this manual first and then the entire manual carefully. If you don't follow the safety rules, the water heater will not operate properly. It
could cause DEATH, SERIOUS BODILY INJURY AND/OR
PROPERTY DAMAGE. This manual contains instructions for the installation, operation,
and maintenance of the gas-fired water heater. It also contains warnings through out the manual that you must read and be aware of. All warnings and all instructions are essential to the
proper operation of the water heater and your safety. Since we cannot put everything on the first few pages, READ THE
ENTIRE MANUAL BEFORE ATTEMPTING TO INSTALL OR OPERATE THE WATER HEATER.
The installation must conform with these instructions and the local code authority having jurisdiction. In the absence
of local codes, installations shall comply with the current edition of The National Fuel Gas Code ANSI Z223.1/NFPA
54. This publication is available from the Canadian Standards Association, 8501 East Pleasant Valley Rd, Cleveland
Ohio 44131, or The National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269. If after reading this manual you have any questions or do not understand any portion of the instructions, call the Sears
Service Center. Carefully plan the place where you are going to put the
water heater. Correct combustion, vent action, and vent pipe installation are very important in preventing death
from possible carbon monoxide poisoning and fires. See figure 1.
Examine the location to ensure the water heater complies with the Facts to Consider About the Location section in this
manual. For California installation this water heater must be braced,
anchored, or strapped to avoid falling or moving during an earthquake. See instructions for correct installation
procedures. Instructions may be obtained from the California Office of the State Architect, 400 P Street, Sacramento, CA
95814. Complies with 10 ng/J SCAQMD rule #1121 and districts
having equivalent NOx requirements.
RECOVERY MINIMUM DIMENSIONS IN
TANK INPUT RATE GALS. VENT PIPE DIAMETER INCHES (mm)
CAPACITY IN TYPE OF RATE PER HOUR @ INCHES INCHES HEIGHT TO
MODEL NUMBER GALS (LTRS) GAS (Btu/hr) 9O°F RISE (ram) (ram) JACKET TOP
I53.331242 40 (151) NATURAL 40,000 41.0 3" (76) OR 4" (102) 20" (508) 58 3/8" (1,483) I53.331252 50 (189) NATURAL 40,000 41.0 3" (76) OR 4" (102) 22" (559) 57 3/8" (1,457)
Materials Needed
To simplify the installation, Sears has available the installation parts shown below. You may or may not need all of these materials, depending on your type of installation.
.:r.'_'Jt:t:!L!!
' ///J
IL!
EXPANSION TANKS FOR TH ERMAL EXPANSION
CONDITIONS AVAILABLE IN 2 GALLONS
(7,6 LITERS) AND 5 GALLONS (18,9 LITERS)
CAPACITY THROUGH LOCAL SEARS STORE
OR SERVICE CENTER.
WATER HEATER iNSTALLATION KiT WITH FLEXIBLE CONNECTORS FOR 3/4"
(19,06 ram) OR 1/2" (12,7 ram) THREADED OR COPPER PLUMBING AND FLEXIBLE WATER
HEATER GAS CONNECTOR WITH FITTINGS,
Basic Tools
You may or may not need all these tools, depending on your type of installation. These tools can be purchased at your local
Sears Store.
Pipe Wrenches (2) 14" (356 mm) Screwdriver
Tin Snips 6' (1.82 m) Tape or Folding Ruler
Garden Hose Drill
Pipe Dope or Teflon Tape DRILL
SLOT-HEAD SCREWDRIVER
DRAIN PANS AVAILABLE iN 20" (506 ram) DIAMETER FOR
WATER HEATERS HAVING A
DIAMETER 18" (457 mm) OR LESS, 24" (610ram) DIAMETER
FOR WATER HEATERS HAVING A DIAMETER 22" (559 mm)
OR LESS AND AVAILABLE IN 28" (711 rnm) DIAMETER FOR
WATER HEATERS HAVING A
DIAMETER 26" (660 ram) OR LESS.
Additional Tools Needed When Sweat Soldering
Tubing Cutters or Hacksaw Propane Tank
Soft Solder Solder Flux
Emery Cloth
Wire Brushes
TUBING CUTTER
PROPANE
TORCH
PHILLIPS SCREWDRIVER
ROLL OF TEFLON
TAPE (USE ONLY ON
WATER CONNECTIONS)
GARDEN HOSE 6 FOOT TAPE PIPE WRENCH
TIN SNIPS
PiPE DOPE
(SQUEEZE TUBE)
USE FOR WATER AND GAS
CONNECTIONS
HACKSAW
3/4" (19 ram) WIRE BRUSH
1/2" (13 ram) WIRE BRUSH
ROLL OF LEAD-FREE
SOFT SOLDER
ROLL OF
EMERY CLOTH
SOLDER
FLUX
GET TO KNOW YOUR WATER HEATER - GAS MODELS
A Vent Pipe J Drip Leg (Sediment Trap) S Flue Baffle B Drafthood K Inner Door T Thermostat C Anode L Outer door U Drain Valve
D Hot Water Outlet M Union V Pilot and Main Burner E Outlet N Inlet Water Shut-off Valve W Flue
F Flexible Water Connections O Cold Water Inlet X Drain Pan G Gas Supply P Inlet Dip Tube Y Piezo Igniter
H Manual Gas Shut-off Valve Q Temperature-Pressure Relief Valve I Ground Joint Union R Rating Plate
* INSTALL IN ACCORDANCE
WITH LOCAL CODES.
* DRIP LEG AS REQUIRED
BY LOCAL CODES.
(T) THERMOSTAT
GAS CONTROL KNOB
TO VENT TERMINATION
ON ROOF
F\
D
\
O /
b1° /
INSTALL THERMAL EXPANSION
TANK OR DEVICE IF WATER
HEATERIS INSTALLED INA
CLOSEDWATERSYSTEM
WATER TEMPERATURE
(ADJUSTING DIAL)
B
VACUUM RELIEF
VALVE
_INSTALLPER
LOCALCODES
"OFF .... PILOT .... ON"
POSITION POSITION POSITION
TOP VIEW
(V) PILOT & MAIN BURNER
MAIN BURNER
PILOT TUBING
BURNER
TUBE
x
*ALL PIPING MATERIALS TO BE
SUPPLIED BY CUSTOMERS.
PILOT
THERMOCOUPLE
IGNITER ROD
K
FIGURE 1.
7
Removing the Old Water Heater
®
®
.* %
®;
FIGURE 2.
QTurn "OFF" the gas supply to the
water heater.
If the main gas line shutoff valve serving all gas appliances is used,
also shut "OFF" the gas at each appliance. Leave all gas appliances
shut "OFF" until the water heater installation is completed, see
Figures 2 and 3.
Q Turn "OFF" the water to
the water heater at the water shut off valve or water meter. Some
installations require that the water be turned off to the entire house, see Figures 2 and 4.
again
Check to make the is "OFF" to the
water heater. Then disconnect the gas supply connection from
the gas control valve.
supply
sure
gas
FIGURE 3,
FIGURE 4,
supply
Attach a hose to the water heater
®
drain valve and put the other end in a floor drain or outdoors. Open the
water heater drain valve. Open a
nearby hot water faucet which will relieve pressure in the water heater and speed draining. The water
passing out of the drain valve may be extremely hot. To avoid being scalded, make sure all connections are tight and that the water flow is directed away from any person, see
Figures 2 and 5.
Disconnect the vent pipe from the draft hood where it connects
®
to the water heater. In most installations the vent pipe can be lifted off after any screw or other attached devices are
removed. Dispose of the draft hood. The new water heater has a draft hood which must be used for proper operation.
If you have copper piping to the water heater, the two copper
®
water pipes can be cut with a hacksaw approximately four
inches away from where they connect to the water heater, see Figure 6. This will avoid cutting off pipes too short.
Additional cuts can be made later if necessary. Disconnect the
temperature-pressure relief valve drain line. When the water heater is drained, disconnect the hose from the drain valve.
Close the drain valve. The water heater is now completely disconnected and ready to be removed.
FIGURE 6,
If you have galvanized pipes to the water heater, loosen
the two galvanized pipes with a pipe wrench at the union in each line. Also disconnect the piping remaining to the water heater, see Figure 7. These pieces should be saved since they may be needed when reconnecting the new water heater.
Disconnect the temperature-pressure relief valve drain line. When the water heater is drained, disconnect the hose from the drain valve. Close the drain valve. The water heater is now
completely disconnected and ready to be removed. Mineral buildup or sediment may have accumulated in the old water
heater. This causes the water heater to be much heavier than normal and this residue, if spilled out, could cause staining.
FmGURE5.
, Burn hazard
, Hot water discharge,
Keep hands clear of drain valve discharge.
Facts to Consider About
the Location
Carefully choose an indoor location for the new water heater. The placement is a very important consideration for the safety of the occupants in the building and for the most economical use of the appliance. This water heater is not for use in
manufactured (mobile) homes or outdoor installation.
Whether replacing an old water heater or putting the water heater in a new location, the following critical points must be
observed:
Select a location indoors as close as practical to the gas vent or chimney to which the water heater vent is going to be connected, and as centralized with the water piping system
as possible.
Selected location must provide adequate clearances for servicing and proper operation of the water heater.
Prope_y Damage Hazard
AH water heaters eventually leak , Do not install without adequate drainage
Installation of the water heater must be accomplished in such a
manner that if the tank or any connections should leak, the flow will not cause damage to the structure. For this reason, it is not advisable to install the water heater in an attic or upper floor. When
such locations cannot be avoided, a suitable drain pan should be
installed under the water heater. Drain pans are available at your
local Sears or hardware store. Such a drain pan must have a
minimum length and width of at least 2 inches (51 mm) greater than the water heater dimensions and must be piped to an adequate
drain. The pan must not restrict combustion air flow.
Devices that will turn off the gas supply to a gas water heater while at the same time shutting off its water supply.
Fire or Explosion Hazard
" De not store or use gasol ne or other flammable
vapors and liquids in the vicinity of this or any other appliance.
- Avoid all ignition sources if you smell LP gas. . Do not expose water tleater control to excessive gas
pressure.
, Use only gas shown on rating plate , Maintain required clearances to combustibles.
Keep gnition sources away from faucets after extended period of non-use.
Read instruction manual before
installing, using or servicing
water heater.
INSTALLATIONS IN AREAS WHERE FLAMMABLE LIQUIDS (VAPORS) ARE LIKELY TO BE PRESENT OR STORED
(GARAGES, STORAGEAND UTILITYAREAS, ETC.): Flammable liquids (such as gasoline, solvents, propane [LP or butane, etc.]
and other substances such as adhesives, etc.) emit flammable vapors which can be ignited by a gas water heater's pilot light or main burner. The resulting flashback and fire can cause death
or serious burns to anyone in the area. Even though this water heater is a flammable vapor ignition resistant water heater and is designed to reduce the chances of flammable vapors being
ignited, gasoline and other flammable substances should never be stored or used in the same vicinity or area containing a gas water heater or other open flame or spark producing appliance.
Also, the water heater must be located and/or protected so it is not subject to physical damage by a moving vehicle.
Water heater life depends upon water quality, water pressure and the environment in which the water heater is installed. Water
heaters are sometimes installed in locations where leakage may result in property damage, even with the use of a drain pan piped
to a drain. Unanticipated damage can be reduced or prevented
by a leak detector or water shut-off device used in conjunction
with a piped drain pan. These devices are available from some
plumbing supply wholesalers and retailers, and detect and react
to leakage in various ways:
Sensors mounted in the drain pan that trigger an alarm or turn off the incoming water to the water heater when leakage is
detected.
Sensors mounted in the drain pan that turn off the water supply to the entire home when water is detected in the drain pan.
Water supply shut-off devices that activate based on the water pressure differential between the cold water and hot water pipes connected to the water heater.
Fire Hazard
For continued protection against riskof fire:
-Do not install water heater on carpeted floor.
Do not operate water heater if
flood damaged.
This water heater must not be installed directly on carpeting. Carpeting must be protected by metal or wood panel beneath
the appliance extending beyond the full width and depth of the appliance by at least 3 inches (76.2mm) in any direction, or if
the appliance is installed in an alcove or closet, the entire floor must be covered by the panel. Failure to heed this warning may
result in a fire hazard.
Fire or Explosion Hazard
Read instruction manual before installing,
using or servicing water heater.
- Improper use may result in fire or explosion.
Maintain required clearances to combustibles.
Minimum clearances between the water heater and combustible construction are 0 inch at the sides and rear, 4 inches (102 mm)
at the front, and 6 inches (153 mm) from the vent pipe, see Figure 8. Clearance from the top of the jacket is 8 inches (203
mm) on most models. Note that a lesser dimension may be allowed on some models, refer to the label attached adjacent
to the gas control valve on the water heater.
TOP VIEW TOP ViEW
OF CLOSET OF CLOSET
WITHOUT DOOR WiTH DOOR
II 0" rvlIN, =========_ (104 ram)
0" MINo
FIGURE8.
1
AIR DUCT
_t3r_ cm)
FRONT VIEW t
OF DOOR
12" MAX.
FIGURE 9,
If this water heater will be used in beauty shops, barber shops, cleaning establishments, or self-service laundries with dry cleaning equipment, it is imperative that the water heater or
water heaters be installed so that combustion and ventilation air be taken directly from outdoors (direct vent).
Propellants of aerosol sprays and volatile compounds, (cleaners, chlorine based chemicals, refrigerants, etc.) in addition to being highly flammable in many cases, will also change to corrosive hydrochloric acid when exposed to the combustion products of the water heater. The results can be hazardous, and also cause product failure.
Insulation Blankets
Insulation blankets available to the general public for external use on gas water heaters are not necessary with Kenmore products. The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters. Your Kenmore water heater meets or exceeds the National Appliance Energy Conservation Act standards with respect to insulation and standby loss requirements, making an insulation blanket unnecessary.
Breathing Hazard - Carbon Monoxide Gas
- Install water heater in accordance with the instruction manual and
NFPA 54.
To avoid injury, combustion and ventilation air must be taken from
outdoors.
Do not place chemical vapor
emitting products near water heater,
Breathing carbon monoxide can cause brain damage or death. Always read and understand instruction manual.
A gas water heater cannot operate properly without the correct amount of air for combustion, see Figure 9. Do not install in a confined area such as a closet, unless you provide air as shown in the Locating The New Water Heater section. Never obstruct the flow of ventilation air. If you have any doubts or questions at all, call your gas supplier. Failure to provide the proper amount of combustion air can result in a fire or explosion and cause death, serious bodily injury, or property damage.
Breathing Hazard - Carbon Monoxide Gas
Do not obstruct water heater air intake with insulating blanket.
Gas and carbon monoxide detectors are ava lable.
Install water heater in accordance
with the instruction manual.
Breathing carbon monoxide can cause brain damage or
death. Always read and understand instruction manual.
,_11_ WARNING
Should you choose to apply an insulation blanket to this heater, you should follow these instructions (See Figure 1 for
identification of components mentioned below). Failure to follow these instructions can restrict the air flow required for proper combustion, potentially resulting in fire, asphyxiation, serious personal injury or death.
Do not apply insulation to the top of the water heater, as this will interfere with safe operation of the draft hood.
Do not cover the outer door, thermostat or temperature &
pressure relief valve.
Do not allow insulation to come within 2" (50.8 mm) of the floor to prevent blockage of combustion air flow to the burner.
Do not cover the instruction manual. Keep it on the side of the water heater or nearby for future reference.
10
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