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107156
UNVENTED PROPANE/LP GAS FIREPLACE
®
For more information, visit www.desatech.com
INSTALLATION
Continued
4. Carefully set fireplace in front of rough
opening with back of fireplace inside
wall opening.
5. Plug electrical cord into electrical out-
let installed in step 2, page 9.
6. Carefully insert fireplace into rough
opening.
7. Attach flexible gas line to gas supply.
See Connecting Fireplace to Gas Sup-
ply, page 11.
8. Attach fireplace to wall studs using
nails or wood screws through holes in
nailing flange (see Figure 15).
9. Check all gas connections for leaks. See
Checking Gas Connections, page 12.
10. Install brass trim after final finishing
and/or painting of wall (see Figure 7,
page 8).
Mantel Clearances for Built-In
Installation
If placing mantel above built-in fireplace,
you must meet minimum clearance between
mantel shelf and top of fireplace opening.
If your installation does not meet the below
minimum clearances, you must:
• raise the mantel to an acceptable height,
OR
• remove the mantel.
39 3/8"
27 7/8"
55 5/8"
35 1/2"
Figure 14 - Rough Opening for Installing
in Corner
Figure 15 - Attaching Fireplace to Wall
Studs
Figure 16 - Minimum Mantel Clearances
for Built-In Installation
Mantel
Shelf
13"
16"
19"
21"
2
1
/2
"
6"
8"
10"
Note:
All Vertical
measurements
are from top of
fireplace
opening to
bottom of
mantel shelf.
Nailing
Flanges
Nails or
Wood
Screws
CAUTION: Use only new,
black iron or steel pipe. Inter-
nally-tinned copper tubing may
be used in certain areas. Check
your local codes. Use pipe of 1/2"
diameter or greater to allow
proper gas volume to fireplace. If
pipe is too small, undue loss of
volume will occur.
INSTALLING GAS PIPING TO
FIREPLACE LOCATION
WARNING: A qualified ser-
vice person must connect fire-
place to gas supply. Follow all
local codes.
CAUTION: Never connect
heater directly to the propane/LP
supply. This heater requires an ex-
ternal regulator (not supplied). In-
stall the external regulator between
the heater and propane/LP supply.
Figure 17 - External Regulator with Vent
Pointing Down
Propane/LP
Supply
Tank
External
Regulator
Vent
Pointing
Down
Installation Items Needed
Before installing fireplace, make sure you
have the items listed below.
• external regulator (supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap (optional)
• 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, pages 22 and 23.
The installer must supply an external regu-
lator. The external regulator will reduce
incoming gas pressure. You must reduce
incoming gas pressure to between 11 and 14
inches of water. If you do not reduce incom-
ing gas pressure, heater regulator damage
could occur. Install external regulator with
the vent pointing down as shown in Figure
17. Pointing the vent down protects it from
freezing rain or sleet.
WARNING: This appliance re-
quires a 1/2" NPT (National Pipe
Thread) inlet connection to the
pressure regulator.