1. This firebox shall not be installed in a
bedroom or bathroom.
2. Never install the firebox
• in a recreational vehicle
• where curtains, furniture, clothing or other
flammable objects are less than 36" from
front and 42" from top of firebox. For side
clearances see Figure 6, page 7
• in high traffic areas
• in windy or drafty areas
3. Do not use this firebox as a wood-burning
fireplace. Use only decorative unvented
room heaters (log sets).
4. Do not add extra logs or ornaments such as
pine cones, vermiculite or rock wool. Using
these added items can cause sooting.
5. Vent-free gas log heaters installed in these
fireboxes require fresh air ventilation to
run properly. See Air for Combustion and
Ventilation, page 4.
Install and use fireplace with care. Follow all
local codes. In the absence of local codes, use
the latest edition of The National Fuel Gas Code
ANSI Z223.1/NFPA 54*. Firebox must be electri-
cally grounded in accordance with the National
Electrical Code, ANSI/NFPA70 (latest edition).
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
1. With utility knife, cut carton all the way
around above staples on bottom tray. Lift
carton off firebox. Remove packing.
2. Check carton contents for the following:
• Screen assembly
• Screen support rod
• Hardware and parts bag containing the
following:
oPeRAtIoN
This firebox is designed to accept unvented
decorative gas logs. It requires no outside
venting or chimney making installation easy
and inexpensive. When used without the
blower the firebox requires no electricity mak-
ing it ideal for emergency backup heat.
116548-01H
SAFETY
Continued
LOCAL CODES
UNpACkING
pRODUCT FEATURES
www.desatech.com
6. Do not run firebox
• where flammable liquids or vapors are
used or stored
• under dusty conditions
7. Do not use this firebox to cook food or
burn paper or other objects.
8. Turn firebox off and let cool before servic-
ing. Only a qualified service person should
service and repair firebox.
9. Operating vent-free log sets in a firebox
above elevations of 4,500 feet could
cause pilot outage.
10. Do not use the firebox if it has been un-
der water due to the shock hazard that
could result with the blower accessary (if
installed) in place.
11. Provide adequate clearances around air
openings.
state of Massachusetts: The installation
must be made by a licensed plumber or
gas fitter in the Commonwealth of Mas-
sachusetts.
Sellers of unvented propane or natural
gas-fired 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.
Owner's Manual
2 - Black #10 x 3/8" Phillips screws
3. If any items are missing, inform dealer
where you bought the firebox.
4. Check heater for any shipping damage.
If heater is damaged call DESA Heat-
ing, LLC at 1-866-672-6040 for replace-
ment parts before returning to dealer.
BloWeR AccessoRy
The CGFB32CB firebox will accept the
GA3750A accessory. The variable blower
allows you to select the fan speed you de-
sire. The blower circulates heated air from
the firebox into the room. Use of blower is
optional.
3