Kenmore 153321843, 153321842, 153321643, 153321642, 153321543 Owner’s Manual

Owner's ManuaJ

®

POWER MISER "rM

ELECTRIC

WATER HEATER

FOR POTABLE WATER HEATING ONLY.

NOT SUITABLE FOR SPACE HEATING.

MODEL NO.

153.321342 30 Gal.

153.321343 30 Gal.

153.321442 40 Gal.

153.321443 40 Gal.

153.321542 55 Gal.

153.321543 55 Gal.

153.321642 66 Gal.

153.321643 66 Gal.

153.321842 80 Gal.

153.321843 80 Gal.

12

GAMA certification applies to all residential electric water
heaters with capacities of 20 to 120 Gallons. Input rating of

12kW or less.

SAVE THIS MANUAL FOR FUTURE REFERENCE.

= 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.

Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A

PRINTED 0707 www.seats.com 185798-000

Yoursafetyandthesafetyofothersisextremely 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 injury 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.

hazardous situation which, if not avoided,

WARNING indicates a potentially

could result in death or injury.

situation which, if not avoided, may result
CAUTION indicates a potentially hazardous
in minor or moderate injury.

CAUTION used without the safety alert

situation which, if not avoided, could

symbol indicates a potentially hazardous
result in property damage.

All safety messages wil! 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.

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 listed, including formaldehyde.

IMPORTANT DEFINITIONS

Sears Service Center: The Sears Service Center has the ability equivalent to a licensed tradesman in the fields of plumbing and
electrical work including a thorough understanding of the requirements of the National Electrical Code as it relates to the installation

of electric water heaters. The Sears Service Center also has a thorough understanding of this instruction manual, and is able to
perform repairs strictly in accordance with the service guidelines provided by the manufacturer.

Readandunderstandinstruction
manualandsafetymessages

improper installation and use may result

in property damage.

beforeinstalling,operatingor
servicingthiswaterheater.

Failuretofollowinstructionsand
safetymessagescouldresultin

deathorseriousinjury.
Instructionmanualmustremain

withwaterheater.

- Do not operate water heater if flood damaged.
o Inspect and replace the anode as needed.

- Install in location with drainage.
o Fill tank with water before operation.

- Be alert for thermal expansion.
Refer to instruction manual for installation and service.

I

)

Explosion Hazard

• Overheated water can cause
water tank explosion.

• Properly sized temperature
and pressure relief valve must

be installed in opening
provided.

-Before removing any access
panels or servicing the water

heater, make sure the electrical
supply to the water heater is

turned "OFF".

• Failure to do this could result in
death, serious bodily injury, or

property damage.

Water 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 risk for scald injury.
Feel water before bathing or

showering.
Temperature limiting valves are

available.
Read instruction manual for safe

temperature setting.

Fire Hazard / Electric Shock Hazard

Do not use this water heater with any

voltage other than shown on the model

rati ng plate.

• Failure to use the correct voltage shown
on the model rating plate could result in

death, serious bodily injury, or property
damage.

SAFE INSTALLATION, USE AND SERVICE ....................................................................................................................................... 2

GENERAL SAFETY ............................................................................................................................................................................. 3

TABLE OF CONTENTS ....................................................................................................................................................................... 4

INTRODUCTION ................................................................................................................................................................................. 5

PRODUCT SPECIFICATIONS ............................................................................................................................................................ 5

MATERIALS AND BASIC TOOLS NEEDED ....................................................................................................................................... 6

Materials Needed .......................................................................................................................................................................... 6

Basic Tools .................................................................................................................................................................................... 6

Additional Tools Needed When Sweat Soldering ......................................................................................................................... 6

INSTALLATION INSTRUCTIONS .................................................................................................................................................. 7-16

Removing the Old Water Heater ................................................................................................................................................ 7,8

Facts to Consider About the Location ........................................................................................................................................... 8

Insulation Blankets ........................................................................................................................................................................ 8

Facts to Consider About the Convertible Lower Element .......................................................................................................... 8,9

Water Piping ............................................................................................................................................................................ 9,10

T & P Valve and Pipe Insulation .................................................................................................................................................. 10

Temperature-Pressure Relief Valve ........................................................................................................................................ 10,11

Filling the Water Heater ............................................................................................................................................................... 11

Converting the Lower Element .............................................................................................................................................. 12-14

Wiring .................................................................................................................................................................................... 14,15

Wiring Diagrams ......................................................................................................................................................................... 16

SERVICE AND MAINTENANCE .................................................................................................................................................. 17-22

Temperature Regulation ............................................................................................................................................................. 17

Thermostats ................................................................................................................................................................................ 17

Temperature Settings .................................................................................................................................................................. 17

Upper and Lower Thermostat Adjustments ........................................................................................................................... 17,18

Anode Rod Inspection ................................................................................................................................................................ 18

Temperature-Pressure Relief Valve Operation ........................................................................................................................... 18

Draining ................................................................................................................................................................................. 18,19

Thermostat Removal/Replacement ............................................................................................................................................ 19

Element Cleaning/Replacement ............................................................................................................................................ 19-22

Drain Valve Washer Replacement .............................................................................................................................................. 22

Service ........................................................................................................................................................................................ 22

TROUBLESHOOTING GUIDE ..................................................................................................................................................... 23-26

Start Up Conditions ................................................................................................................................................................... 23

Thermal Expansion ............................................................................................................................................................. 23

Strange Sounds .................................................................................................................................................................. 23

Operational Conditions .......................................................................................................................................................... 23-25

Smelly Water ................................................................................................................................................................... 23,24

"Air" in Hot Water Faucets .................................................................................................................................................. 24

Rumbling Noise ................................................................................................................................................................... 24

High Temperature Shut Off System ..................................................................................................................................... 24

Not Enough or No Hot Water ............................................................................................................................................... 25

Water Is Too Hot .................................................................................................................................................................. 25

Leakage Checkpoints ................................................................................................................................................................. 26

REPAIR PARTS LIST ................................................................................................................................................................... 27-28

NOTES ................................................................................................................................................................................... 29, 30,31

WARRANTY ...................................................................................................................................................................................... 32

4

ThankYouforpurchasingaSearswaterheater.Properly
installedandmaintained,itshouldgiveyouyearsoftroublefree
service.Itisstronglysuggestedthatthisnewwaterheaterbe
professionallyinstalled,contactthelocalSearsServiceCenteror
anySearsstore.Theywillarrangeforprompt,qualityinstallation

bySearsauthorizedcontractors.

Abbreviations Found In This instruction Manual:

UL- Underwriters Laboratories Inc.

NEC - National Electrical Code

ANSI- American National Standards Institute

Read the "General Safety" 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 this electric water heater. It
also contains warnings throughout 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 THIS ENTIRE MANUAL BEFORE ATTEMPTING TO

INSTALL OR OPERATE THE WATER HEATER.

The installation must conform with the instructions in this

manual; electric company rules; and Local Codes, or in

the absence of Local Codes, with the current edition of the

NEC - National Electrical Code, NFPA 70. This publication
is available from your local government or public library or

electric company or by writing Underwriters Laboratories Inc.,
333 Pfingsten Road, Northbrook, IL 60062.

If after reading this manual you have any questions or do not
understand any portion of the instructions, call Sears Service
Center.

Carefully plan the place where you are going to put the water
heater. Correct electrical wiring and connections are very

important in preventing death from possible electrical shock

and fires.

Examine the location to ensure the water heater complies with

the "Facts to Consider About the Location" section.

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.

Massachusetts Code requires this water heater to be installed
in accordance with Massachusetts 248-CMR 2.00; State

Plumbing Code and 248-CMR 5.00. In the Commonwealth of
Massachusetts, this product must be installed by a licensed
plumber or gasfitter.

TANK

MODEL

NUMBER

153.321342

153.321343

153.321442

153.321443

153.321542

153.321543

153.321642

153.321643

153.321842

153.321843

Wiring size based on standard 60°C copper wire. If distance from fuse box to water heater is more than 90 feet, refer to your
electrical code.

CAPACITY

Gals Liters

30 114

40 I51

55 208

66 250

80 303

DIMENSIONS

iN INCHES (ram)

DIA. HEIGHT

19.0 (482) 47.0 (1,194)

20.0 (508) 60.5 (1,537)

22.5 (572) 62.0 (1,575)

24.0 (610) 62.0 (1,575)

26.0 (660) 62.0 (1,575)

RECOVERY RATE WATTAGE
GALS.PER HOUR @240 VOLTS

,_90°F Rise UPPER LOWER

17.3 3800 3800

25.0 3800 5500

17.3 3800 3800

25.0 3800 5500
I7.3 3800 3800

25.0 3800 5500
I7.3 3800 3800

25.0 3800 5500
I7.3 3800 3800

25.0 3800 5500

ELEMENT

MINIMUM

WIRE SIZE*

{GAUGE)

12
10

I2
I0
I2

I0
I2
I0
I2
I0

MAXIMUM FUSE

OR CIRCUIT

BREAKER

SIZE (AMPS)

20
30
20
30
20

30
20
30
20
30

local

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.

EXPANSION TANKS FOR THERMAL
EXPANSION CONDITIONS AVAILABLE iN

2 GALLONS , AND 5 GALLONS CAPACITY
THROUGH LOCAL SEARS STORE OR

SERVICE CENTER,

WATER HEATER INSTALLATION KIT WITH
FLEXIBLE CONNECTORS FOR 3/4" OR 1/2"

THREADED OR COPPER PLUMBING.

Basic Tools

You may or may not need all of these tools, depending on your
type of installation. These tools can be purchased at your local

Sears store.

Pipe Wrench (2)
Screwdriver

6 Foot Tape or Folding Rule _L]. _ Ill}
Garden Hose

Drill

Pipe Cope or Teflon Tape

DRILL

SLOT-HEAD SCREWDRIVER

DRAIN PANS AVAILABLE IN 20"
DIAMETER FOR WATER HEATERS

HAVING A DIAMETER 18" OR
LESS, 24" DIAMETER FOR WATER

HEATERS HAVING A DIAMETER
22" OR LESS AND AVAILABLE

iN 28" DIAMETER FOR WATER
HEATERS HAVING A DIAMETER
26" OR LESS,

Additional Tools Needed When Sweat
Soldering

Tubing Cutters or Hacksaw
Propane Torch
Soft Solder

Solder Flux
Emery Cloth

Wire Brushes

TUBING CUTTER

HACKSAW

ROLL OF TEFLON TAPE (USEON

WATER CONNECTIONS)

PiPE DOPE (SQUEEZE TUBE)

USE FOR WATER CONNECTIONS

GARDEN HOSE 6 FOOT TAPE PiPE WRENCH

PHILLIPS SCREWDRIVER

PROPANE

TORCH

ROLL OF ROLL OF

EMERY CLOTH LEAD-FREE SOLDER

SOFT SOLDER FLUX

3/4" (19 ram)WIRE BRUSH

112" (13 ram)WIRE BRUSH

the Old Water Heater 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.

1 5

2

i_----%_1!

1. Turn "OFF" electrical supply to the water heater.

FIGURE 1.

2. Turn "OFF" the water supply to the water heater at the water
shut-off valve or water meter.

4,

Check again to make sure the electrical supply is turned

"OFF" to the water heater. Then unplug the water heater

(cord set) or disconnect the electrical supply connection from

the water heater junction box.

FIGURE 4.

5a,

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.

This will avoid cutting off the 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 2.

3. Attach a hose to the water heater drain valve and put the other

end in a floor drain or outdoors. Open the water drain valve.
Open a nearby hot water faucet which will relieve pressure
in the water heater and speed draining.

FIGURE 3.

Burn hazard

• Hot water discharge,

• Keep hands clear of drain
valve discharge.

FIGURE 5a.

5b. If you have galvanized pipe 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.

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.

FIGURE 5b.

• Sensors mounted in the drain pan that turn offthe water supply
to the entire home when water is detected in the drain pan.

Mineral Buildup or Sediment MayAccumulate

• This causes the water heater to become

much heavier than normal.
If spilled, could cause staining.

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.

Facts to Consider About the Location

You should carefully choose an indoor location for the new water
heater, because 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

intended for outdoor installation.

Whether replacing an old water heater or putting the water
heater in a new location, the following critical points must be

observed.

The location selected should be indoors as close to and as
centralized with the water piping system as possible. This

water heater, as well as all water heaters, will eventually leak.
Do not install without adequate drainage provisions so water
flow will not cause damage.

• 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.

installations in Residential Garages

• Water heater must be located in a
protective area.

INSTALLATION IN RESIDENTIAL GARAGES: The water heater
must be located and/or protected so it is not subject to physical
damage by a moving vehicle.

• The location selection must provide adequate clearances
for servicing and proper operation of the water heater.

Insulation Blankets

Insulation blankets are available to the general public for external
use on electric water heaters but are not necessary with this

product. The purpose of an insulation blanket is to reduce
the standby heat loss encountered with storage tank heaters.

Your water heater meets or exceeds the National Appliance
Energy Conversation Act standards with respect to insulation

and standby loss requirements, making an insulation blanket
unnecessary.

Property Damage Hazard

• All water heaters eventually leak

• Do not install without adequate drainage.

WATER HEATERS EVENTUALLY LEAK: Installation of the water
heater must be accomplished in such a manner that if the tank

or any connections should leak, the flow of water will not cause
damage to the structure. 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 stores. Such drain

pans must be piped to an adequate drain.

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. However, 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.

Should you choose to apply an insulation blanket to this heater,
you should follow these instructions below. Failure to follow

these instructions can result in fire, serious personal injury, or
death.

• Do not cover the temperature and pressure relief (T & P) valve
with an insulation blanket.

• Do not cover the instruction manual. Keep it on the side of

the water heater or nearby for future reference.

• D.=._oobtain new warning and instruction labels for placement

on the blanket directly over the existing labels.

Facts to Consider About the
Convertible Lower Element

The Upper Element (ifa double element model) is a conventional
3800 watt element which only operates at its rated wattage on

240 volts. (See rating plate on the water heater).

The Lower Element of the water heater can be converted from
operation at 3800 watts to 5500 watts on a 240 volt system.

Read and follow water heater warnings and instructions. If after
reading these instructions in this manual, you do not understand

any portion, call Sears Service Center.

Fire Hazard / Electric Shock Hazard

• Do not use this water heater with
any voltage other than shown on the

model rating plate.

• Failure to use the correct voltage

shown on the model rating plate

could result in death, serious bodily
injury, or property damage.

Before making the conversion to 5500 watts, check the (1)
power supply . . . must be 240 volts, (2) wiring . . . 10 gauge

AWG @ Type TW, 60°C or equivalent, and (3) Circuit breakers
or fusing...capable of 30 amp loading. Also, the installation
must conform with this manual, local codes and electric utility

rules. Failure to comply can result in DEATH, SERIOUS BODILY
INJURY, OR PROPERTY DAMAGE.

HOTTER WATER CAN SCALD: Water heaters are intended
to produce hot water. Water heated to a temperature which
will satisfy clothes washing, dish washing, and other sanitizing

needs can scald and permanently injure you upon contact.

Some people are more likely to be permanently injured by

hot water than others. These include the elderly, children, the

infirm, or physically/mentally handicapped. If anyone using hot
water in your home fits into one of these groups or if there is a

local code or state law requiring a certain temperature water at
the hot water tap, then you must take special precautions. In

addition to using the lowest possible temperature setting that

satisfies your hot water needs, a means such as a mixing valve,

should be used at the hot water taps used by these people or

at the water heater. Mixing valves are available at plumbing

supply or hardware stores. Follow manufacturers instructions
for installation of the valves. Before changing the factory setting

on the thermostat, read the "Temperature Regulation" section

in this manual.

See Figure 7 for mixing valve usage.

f

HOT WATER

OUTLET

COLD

WATER

iNLET

ELECTRIC

WATER HEATER

MODEL NUMBER U.S. GAL.

FACTORY EQUIPPED WITH

UPPER LOWER CHECK HERE WORKING

ELEMENT ELEMENT MAXIMUM VOLTS IF INSTALLED AS PRESSURE

WATTS WATTS WATTS A,C, ONLY FACTORY EQUIPPED P.S.I.

OPTIONAL WATTAGE

UPPER LOWER

ELEMENT ELEMENT MAXIMUM CHECK HERE

WATTS WATTS WATTS IF CONVERTED

CAPACITY

Q LISTED

932N

SERIAL NUMBER

WARNING

SEE CONVERSION

INSTRUCTION

MAXIMUM

FIGURE 6.

NOTE: Whether or not the element conversion is made the
model rating plate must be marked. Using a hard point ink pen,

check the appropriate block within the model rating plate, which
is located adjacent to the lower access panel.

Water Piping

Water temperature over 125°F
(52°C) can cause severe burns

instantly resultingin severeinjury
ordeath.

Children, the elderly, and the
physically or mentally disabled

are at highest risk for scald injury.
Feel water before bathing or

showering.
Temperature limiting valves are

available.

Read instruction manual for safe

temperature setting.

TO COLD WATER

iNLET ON

WATER HEATER

FIGURE 7.

Figure 8 shows the attachment of the water piping to the
water heater. The water heater is equipped with 3/4" water

connections.

If a water heater is installed in a closed water supply system; such

as one having a back-flow preventer, check valve, water meter
with a check valve, etc.., in the cold water supply; means must

be provided to control thermal expansion. Contact the local utility

or Sears Service Center on how to control this situation.

NOTE: If using copper tubing, solder tubing to an adapter

before attaching the adapter to the water inlet connection,

Do not solder the water supply lines directly to the cold water

inlet. It will harm the dip tube and damage the tank.

Property Damage Hazard

- Avoid water heater damage.

- Install thermal expansion tank if necessary.

- Do not apply heat to cold water inlet.

- Contact qualified installer or service agency.

NOTE: To protect against untimely corrosion of hot and cold
water fittings, it is strongly recommended that di-electric

unions or couplings be installed on this water heater when

connected to copper pipe,

1.Lookatthetopcoverofthewaterheater.Thehotwater
outletismarkedhot.Puttwoorthreeturnsofteflontape

aroundthethreadedendofthethreaded-to-sweatcoupling
andaroundbothendsofthe3/4"threadednipple.Using

flexibleconnectors,connectthehotwaterpipetothehot
wateroutletofthewaterheater.

2.Lookatthetopcoverofthewaterheater.Thecoldwaterinlet
ismarkedcold.Puttwoorthreeturnsofteflontapearound

thethreadedendof thethreaded-to-sweatcouplingand
aroundbothendsofthe3/4"threadednipple.Usingflexible

connectors,connectthecoldwaterpipetothecoldwaterinlet
ofthewaterheater.

PIPE

INSULATION

_" INSULATION1_fl

NOTE:Yourwaterheateris insulatedto minimizeheat
lossfromthetank.Furtherreductionin heatlosscanbe

accomplishedbyinsulatingthehotwaterlinesfromthe
waterheater.

HOT FLEXIBLE SHUT-OFF

OUTLET WATER CONNECTORS VALVE

TO

HOUSE

COLD

THREADED THREADED WATER

TO SWEAT TO SWEAT LINE
COUPLING COUPLING

3f4" THREADED A _ 3/4" THREADED

NIPPLE __'_---- NIPPLE

NOT COL

TEMPERATURE-

PRESSURE

RELIEF VALVE

0

DISCHARGE

-- PIPE
(DO NOT CAP

OR PLUG)

INLET

FIGURE 9.

Temperature-Pressure Relief Valve

Explosion Hazard

Temperature-pressure relief valve
must comply with ANSI Z21.22

CSA 4.4 andASMEcode.

Properly sized temperature-relief
valve must be installed in opening
provided.

Can result in overheating and
excessive tank pressure.

o Can cause serious injury or death.

This heater is provided with a properly certified combination
temperature - pressure relief valve by the manufacturer.

The valve is certified by a nationally recognized testing laboratory
that maintains periodic inspection of production of listed
equipment of materials as meeting the requirements for Relief

Valves for Hot Water Supply Systems, ANSI Z21.22 • CSA 4.4,
and the code requirements of ASME.

0

[

AIR%AP

__iJ FLOOR DRAIN

FIGURE 8.

T & P Valve and Pipe Insulation

Remove insulation for T & P valve and pipe connections from
carton.

Fit pipe insulation over the incoming cold water line and the hot
water line. Make sure that the insulation is against the top cover

of the heater.

Fit T & P valve insulation over valve. Make sure that the insulation
does not interfere with the lever of the T & P valve.

Secure all insulation using tape.

If replaced, the valve must meet the requirements of local codes,
but not less than a combination temperature and pressure relief
valve certified as indicated in the above paragraph.

The valve must be marked with a maximum set pressure not to
exceed the marked hydrostatic working pressure of the water

heater (150 psi = 1,035 kPa) and a discharge capacity not less
than the water heater input rate as shown on the model rating plate.

(For electric heaters, watts x 3.412 equals Btu/hr input rate).

For safe operation of the water heater, the relief valve must not
be removed from its designated opening nor plugged.

The temperature-pressure relief valve must be installed directly
into the fitting of the water heater designed for the relief valve.

Position the valve downward and provide tubing so that any
discharge will exit only within 6 inches (153 mm) above, or at any

distance below the structural floor. Be certain that no contact is
made with any live electrical part. The discharge opening must

not be blocked or reduced in size under any circumstances.
Excessive length, over 30 feet (9.14 m), or use of more than

four elbows can cause restriction and reduce the discharge

capacity of the valve.

I0