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MR10NT
INFRARED VENT-FREE NATURAL GAS
HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
™
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result
causing property damage, personal injury, or loss
of life.
— 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, or the gas
supplier.
WARNING: Improper instal-
lation, adjustment, alteration,
service, or maintenance can
cause injury or property dam-
age. Refer to this manual for
correct installation and op-
erational procedures. For as-
sistance or additional infor-
mation consult a qualified in-
staller, service agency, or the
gas supplier.
WARNING: This is an
unvented gas-fired heater.
It uses air (oxygen) from
the room in which it is in-
stalled. Provisions for ad-
equate combustion and
ventilation air must be pro-
vided. Refer to
Air For Com-
bustion and Ventilation on
page 4 of this manual.
This appliance may be installed in an aftermarket*, permanently located, manufac-
tured (mobile) home, where not prohibited by local codes.
This appliance is only for use with the type of gas indicated on the rating plate. This
appliance is not convertible for use with other gases.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer