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124002-01C4
12. Operating heater above elevations of
4,500 feet could cause pilot outage.
13. To prevent performance problems, do not
use propane/LP fuel tank of less than 100
lbs. capacity.
SAFETY
Continued
Figure 1 - Vent-Free Gas Heater
(actual heater may vary from illustration)
Ignitor Button
Control Knob
Heater
Cabinet
Front Panel
Glass Panel
Grill Guard
PRODUCT
IDENTIFICATION
PRODUCT FEATURES
SAFETY DEVICE
This heater has a pilot with an Oxygen Deple-
tion Sensing (ODS) safety shutoff system. The
ODS/pilot is a required feature for vent-free
room heaters. The ODS/pilot shuts off the
heater if there is not enough fresh air.
IGNITION SYSTEM
Some models are equipped with a piezo
ignitor that requires no matches, batteries or
other sources to light heater.
Other heaters are equipped with an electronic
ignitor to light heater fuel supply.
THERMOSTATIC HEAT CONTROL
Thermostat models have a thermostat sens-
ing bulb and a control valve. This results in the
greatest heater comfort. This can also result
in lower gas bills.
14. Provide adequate clearances around air
openings.
LOCAL CODES
Install and use heater with care. Follow all lo-
cal codes. In the absence of local codes, use
the latest edition of National Fuel Gas Code,
ANSI Z223.1/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
State of Massachusetts: The installation
must be made by a licensed plumber or
gas tter in the Commonwealth of Mas-
sachusetts.
Sellers of unvented propane or natural
gas-red supplemental room heaters shall
provide to each purchaser a copy of 527
CMR 30 upon sale of the unit.
Vent-free gas products are prohibited for
bedroom and bathroom installation in the
Commonwealth of Massachusetts.
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 return to
dealer where you bought heater or call
DESA Heating, LLC at 1-866-672-6040.