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107097
NATURAL GAS RESIDENTIAL HEATERS
®
For more information, visit www.desatech.com
3"
FLOOR
CEILING
36"
Minimum
6"
Minimum
From
Sides Of
Heater
Left
Side
Right
Side
Figure 9 - Mounting Clearances As Viewed
From Front of Heater
CAUTION: If you install the
heater in a home garage
• heater pilot and burner must be
at least 18 inches above floor.
• locate heater where moving ve-
hicle will not hit it.
WARNING: Never install the
heater
• in a bedroom or bathroom
• in a recreational vehicle
• where curtains, furniture,
clothing, or other flammable
objects are less than 42 inches
from the front, top, or sides of
the heater
• as a fireplace insert
• in high traffic areas
• in windy or drafty areas
CAUTION: This heater cre-
ates warm air currents. These
currents move heat to wall sur-
faces next to heater. Installing
heater next to vinyl or cloth wall
coverings or operating heater
where impurities (such as to-
bacco smoke, aromatic candles,
cleaning fluids, oil or kerosene
lamps, etc.) in the air exist, may
discolor walls.
INSTALLATION
NOTICE: This heater is intended
for use as supplemental heat. Use
this heater along with your pri-
mary heating system. Do not in-
stall this heater as your primary
heat source. If you have a central
heating system, you may run
system’s circulating blower while
using heater. This will help circu-
late the heat throughout the
house. In the event of a power
outage, you can use this heater
as your primary heat source.
CHECK GAS TYPE
Use only natural gas. If your gas supply is
not natural gas, do not install heater. Call
dealer where you bought heater for proper
type heater.
INSTALLATION ITEMS
Before installing heater, make sure you have
the items listed below.
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• ground joint union
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
* A CSA design-certified equipment shutoff
valve with 1/8" NPT tap is an acceptable
alternative to test gauge connection. Pur-
chase the optional CSA design-certified
equipment shutoff valve from your dealer.
See Accessories, page 23.
WARNING: Maintain the mini-
mum clearances shown in Figure
9. If you can, provide greater clear-
ances from floor, ceiling, and join-
ing wall.
You can locate heater on floor. The op-
tional hearth base is needed. You can also
install optional decorative mantels on the
heater (some mantels require the hearth
base).
IMPORTANT:
Only use optional
mantels and hearth base specified in this
manual. Purchase the optional mantel and
hearth base from your dealer. See Accesso-
ries, page 23.
The heater may also be mounted on a wall.
You cannot use optional mantel if mounting
heater on a wall.
LOCATING HEATER
WARNING: A qualified ser-
vice person must install heater.
Follow all local codes.
IMPORTANT:
Vent-free heaters add mois-
ture to the air. Although this is beneficial,
installing heater in rooms without enough
ventilation air may cause mildew to form
from too much moisture. See Air for Com-
bustion and Ventilation, pages 5 through 7.
For convenience and efficiency, install heater
• where there is easy access for operation,
inspection, and service.
• in coldest part of room.
An optional fan kit is available from your
dealer. See Accessories, page 23. If plan-
ning to use fan, locate heater near an electri-
cal outlet.
Minimum to
Top Surface
of Carpeting,
Tile, or Other
Combustible
Material