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BLUE FLAME VENT-FREE
PROPANE/LP GAS GARAGE
HEATER
OWNER
’
S OPERATION AND INSTALLATION MANUAL
ML300HGA
ML300TGA
NON-THERMOSTAT AND
THERMOSTAT MODEL
Important Safety Information..................................... 2
Fresh Air for Combustion and Ventilation ............... 4
Installation..................................................................... 8
Operating Your Heater............................................... 11
Cleaning&Maintenance.............................................13
Trouble Shooting.........................................................14
Specifications..............................................................17
Illustrate Parts Breakdown ML300TGA .................18
Parts List ML300TGA .................................................19
Illustrate Parts Breakdown ML300HGA .................20
Parts List ML300HGA .................................................21
Table of Contents
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.
WARNING: This is an unvented gas-fired
heater. It uses air (oxygen) from the room
in which it is installed. Provisions for
adequate combustion and ventilation air must
be provided. Refer to Air For Combustion
and Ventilation section on page 4 of this
manual.
PRO-COM PHONE NUMBER: (877)886-5989
WARNING: Improper installation,
adjustment, alteration, service or maintenance
can cause injury or property damage. Refer to
this manual for correct installation and
operational procedures. For assistance or
additional information consult a qualified
installer, service agency, or gas supplier.
This appliance may be installed in an aftermar-
ket* permanently located, manufactured
(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.
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 gas
supplier.
*Aftermarket: Completion of sale, not for purpose of
resale, from the manufacturer.
WATER VAPOR: A BY-PRODUCT OF UNVENTED ROOM
HEATERS
Water vaporis a by-product of gas combustion.An
unvented room heater produces approximately one (1)
ounce (30ml) of water for every 1,000 BTU’s (.3KW’s)
of gas input per hour. Refer to page 3.
Installer: Please leave these instructions with
the consumer.
Consumer: Please retain these instructions for
future use.
5 Musick
Irvine
CA 92618
4600 Highlands parkway S.E
SUITE # D/E
Smyrna, GA 30080