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IMPORTANT:Thewaterheatershouldbelocated
inanareawhereleakageofthetankorconnections
willnotresultindamagetotheareaadjacenttothe
waterheaterortolowerfloorsofthestructure.Due
tothenormalcorrosiveactionofthewater,thetank
willeventuallyleakafteranextendedperiodoftime.
Alsoanyexternalplumbingleak,includingthosefrom
improperinstallation,maycauseearlyfailureofthetank
duetocorrosionifnotrepaired.Ifthehomeowneris
uncomfortablewithmakingtherepairaqualifiedperson
shouldbecontacted.Asuitablemetaldrainpanshould
beinstalledunderthewaterheaterasshownbelow,
tohelpprotectthepropertyfromdamagewhichmay
occurfromcondensateformationorleaksinthepiping
connectionsortank.Thepanmustlimitthewaterlevel
toamaximumdepthof1-3/4"andbetwoincheswider
thantheheaterandpipedtoanadequatedrain.
NOTE:Thepanmustnotrestrictcombustionairflow.
Locatethewaterheaternearanadequateindoordrain.
Thedischargepipemustterminateamaximumofsix
inchesaboveafloordrainorexternaltothebuilding.In
coldclimates,itisrecommendedthatthedischargepipe
beterminatedatanadequatedraininsidethebuilding.
Outsidedrainsaresubjecttofreezingtemperatures
whichcanobstructthedrainline.Thepipingshouldbe
atleast3/4"IDandpitchedforproperdrainage.Under
nocircumstanceswillthemanufacturerorsellerofthis
waterheaterbeheldliableforanywaterdamagewhich
iscausedbyyourfailuretofollowtheseinstructions.
Figure 1 DISCHARGEPIPE
Drain Pan Installation DONOT CAP ORPLUG)
METAL
DRAIN
PANI !,,,MAXIMUM
'_ _ © © AIR GAP
_ AT LEAST 2" GREATER THAN THE I i_ ""_ /
DIAMETER OF THE WATER HEATER. PIPED TO AN
ADEQUATE DRAIN
• The water heater should be located in an area not
subject to freezing temperatures. Water heaters located
in unconditioned spaces (i.e., attics, basements,
etc.) may require insulation of the water piping and
drain piping to protect against freezing. The drain and
controls must be easily accessible for operation and
service. Maintain proper clearances as specified on the
data plate.
• Do not locate the water heater near an air-moving
device. The operation of air-moving devices such as
exhaust fans, ventilation systems, clothes dryers,
fireplaces, etc., can affect the proper operation of
the water heater. Special attention must be given to
conditions these devices may create. Flow reversal of
flue gases may cause an increase of carbon monoxide
inside of the dwelling.
• If the water heater is located in an area that is
subjected to lint, dirt, and oil, it may be necessary
to periodically clean the flame-trap (see "External
Inspection & Cleaning of the Flame-trap" section).
Figure 1A
Air-moving
Devices
Exhaust
Fan
/
i! Reverse flow
of gases
Clearances and Accessibility
NOTE: Minimum clearances from combustible surfaces are
stated on the data plate adjacent to the gas control valve/
thermostat of the water heater.
The water heater is certified for installation on a
combustible floor.
• IMPORTANT: If installing over carpeting, the carpeting
must be protected by a metal or wood panel beneath
the water heater. The protective panel must extend
beyond the full width and depth of the water heater by
at least three inches (76.2mm) in any direction; or if in
an alcove or closet installation, the entire floor must be
covered by the panel.
• Figure 2 may be used as a reference guide to locate
the specific clearance locations. A minimum of 24
inches of front clearance should be provided for
inspection and service.
Figure 2
Minimum Clearance
Locations
Top
v/--Back Sides to ._IE_
____F io_t irniicmu ceilin
c::=__ m Side_ll I
III
Top T
View
_Vent
State of California
NOTE: The water heater must be braced, anchored, or
strapped to avoid moving during an earthquake.
Contact local utilities for code requirements in your area,
visit http://www.dsa.dgs.ca.gov, or call 1-916-445-8100 and
request instructions.
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