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Safety Instructions
_WARNING AWARNING
Improper installation, adjustment, alteration, service At the time of manufacture this water heater was pro-
or maintenance can cause DEATH, SERIOUS BODILY vided with a combination tamperature-pressures relief
INJURY, OR PROPERTY DAMAGE. Refer to this manu- valve certified by a nationally recognized testing labo-
al for assistance consult your local utility or call ratory that maintains periodic inspection of production
Maytac_ Customer Service at %800-788-8899 for an of listed equipment or materials, as meeting the
authorized servicer for further information, requirements for Relief Valves and Automatic Gas I
Shutoff Devices for Hot Water Supply Systems, and I
the latest edition of ANSI Z21.22 and the code require- I
ments of ASME. If replaced, the valve must meet the J
AWARNING requirements of local codes, but not lessthan a combi-
nation temperature and pressure relief valve certified
HAZARD OF ELECTRICAL SHOCK! Before removing as meeting the requirements for Relief Valves and
any access panels or servicing the water heater, Automatic Gas Shutoff Devices for Hot Water Supply
make sure the electrical supply to the water heater iystems, ANSI Z21.22 b_/a nationally recognized test-
is turned "OFF". Failure to do this could result in ng laboratory that maintains periodic inspection of
DEATH, SERIOUS BODILY INJURY, OR PROPERTY _roduction of listed equipment or materials.
DAMAGE. the valve must be marked with a maximum set pres- I
sure not to exceed the marked hydrostatic working
)ressure of the water heater (150 Ibs./sq. in.) and a ]
lischarge capacity not less than the water heater [
nput rate as shown on the model rating plate, I
iElectricheaters - watts divided by 1000 x 3415 equal I
3TU/Hr. rate.) [
AWARNING ]
HOTTER WATER CAN SCALD: Water heaters are|
intended to produce hot water. Water heated to a| Your local jurisdictional authority, while mandating the
temperature which will satisfy clothes washing,[ use of a temperature-pressure relief valve complying
dish washing, and other sanitizing needs can scald| with ANSI Z21.22 and ASME, may require a valve model
and permanently injure you upon contact, Some/ different from the one furnished with the water heater,
people are more likely to be permanently injured by Compliance with such local requirements must be sat-
hot water than others, These include the elderly, isfied by the installer or end user of the water heater
children, the infirm, or physically/mentally handi- with a locally prescribed temperature-pressure relief
capped. If anyone using hot water in your home fits valve installed in the designated opening in the water
into one of these groups or if there is a local code or heater in place of the factory furnished valve.
state law requiring a certain temperature water at For safe operation of the water heater, the relief valve
the hot water tap, then you must take special pre- must not be removed from it's designated opening or
cautions. In addition to usmcj the lowest possible plugged.
temperature settingthat satisfies your hot water The temperature-pressure relief valve must be
needs, a means such as a mixing valve, should be installed directly into the fitting of the water heater
used at the hot water taps used by these people or designated for the relief valve. Position the valve
at the water heater. Mixing valves are available at downward and provide tubing so that any discharge
plumbing supply or hardware stores. Follow manu- will exit only within 6 inchesabove, or at any distance
facturers instructions for installation of the valves, below the structural floor. Be certain that no contact is
Before changing the factory setting on the thermo- made with any live electrical pert, The discharge open-
stat, read the "_remperature Regulation" section in mg must not be blocked or reduced in size under any
this manual, circumstances.Excessivelength, over 30 feet, or use of
more than four elbows can cause restriction and
reduce the discharge capacity of the valve.
No valve or other obstruction is to be placed between
the re ief vave and the tank Do not connect tubing
AWARNING I directly to discharge drain unless a 6" air gap isprovid- t
INSULATING JACKETS: When installing an external ed. To prevent bodily injury, hazard to life, or property
water heater insulation jacket on an electric water damage, the re ief valve must be a owed to discharge
heater: water in quantities should circumstances demand. If !
• DO NOT cover the temperature-pressure relief valve, the discharge pipe is not connected to a drain or other
• DO NOT put insulation over the access covers or suitable means, the water flow may cause property
any accessareas, damage.
• DO NOT cover or remove operating instructions, The Discharge Pipe:
and safety related warning labels and materials Must notbe smaller in size than the outlet pipe size
affixed to the water heater, of the valve, or have any reducing couplings or
other restrictions,
Must not be plugged or blocked.
Must be of material listed for hot water distribution,
i Must be installed so as to allow complete drainage
AWARNING
I
of both the temperature-pressure relief valve, and
Do not use this appliance if any part of it has been the discharge pipe.
under water. An electrical short or malfunction could Must terminate at an adequate drain.
occur. The water heater should be replaced. Must not have any valve between the relief valve
and tank.
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