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PRODUCT FEATURES
SAFETY DEVICE
A standard requirement for all vent-free room
heaters. This heater has a pilot with an Oxygen
Depletion Sensor(ODS) safety shutoff system.
The ODS/pilot shuts off the heater if there is
not enough fresh air.
PIEZO IGNITION SYSTEM
This heater is equipped with a piezo ignitor.
This system requires no matches, batteries, or
other sources to light heater.
THERMOSTATIC HEAT
CONTROL ON THERMOSTAT
MODEL ML300TGA
These heaters have a control valve with a
thermostat sensing bulb. This results in the
greatest heater comfort and may result in
lower gas bills.
LOCAL CODES
Install and use heater with care. Follow all local
codes. In the absence of local codes, use the
latest edition of National Fuel Gas Code ANSZ223.1,
also known as NFPA 54*.
*Available from :
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
UNPACKING
1. Remove heater from carton.
2. Remove all protective packaging applied to
heater for shipment.
3. Check heater for any shipping damage. If heater
is damaged. promptly inform dealer where you
bought heater.
Figure1-Vent-Free Propane/LP Gas Heater(Model ML300TGA Shown)
Water vaporis a by-product of gas combustion.An unvented
room heater produces approximately one (1) ounce (30ml) of
wter for every 1,000 BTU’s (.3KW’s) of gas input per hour.
Unvented room heaters are remommended as supplemental
heat (a room) rather than a primary heat source (an entire
house) .In most supplemental heat application, the water
vapor does not create a problem. In most applications, the
water vapor enhances the low humidity atmosphere
experience during cold weather.
WATER VAPOR: A BY-PRODUCT OF UNVENTED ROOM HEATERS
The following steps will help insure that water
vapor does not become a problem.
1. Be sure the heater is sized properly for the
application, including ample combusion air and
circulation air.
2. If high humidity is experienced, a dehumidifier
may be used to help lower the water vapor content
of the air.
3. Do not use an unvented room heater as the
primary heat source.