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CONNECTING TO GAS SUPPLY
WARNING: This appliance
requires a 3/8" NPT (National
Pipe Thread) inlet connection to
the pressure regulator.
WARNING: A qualified service
person must connect heater to gas
supply. Follow all local codes.
CAUTION: Never connect
propane/LP fireplace directly
to the propane/LP supply. This
heater requires an external regu-
lator (not supplied). Install the
external regulator between the
heater and propane/LP supply.
WARNING: Never connect
natural gas fireplace to private
(non-utility) gas wells. This
gas is commonly known as
wellhead gas.
Installation Items Needed
Before installing heater, 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
• tee joint
• pipe wrench
• approved flexible gas line with gas connec-
tor (if allowed by local codes) (provided)
* A CSA design-certified equipment shutoff
valve with 1/8" NPT tap is an acceptable al-
ternative to test gauge connection. Purchase
the optional CSA design-certified equipment
shutoff valve from your dealer.
For propane/LP units, the installer must
supply an external regulator. The external
regulator will reduce incoming gas pressure.
You must reduce incoming gas pressure to
between 11" and 14" of water. If you do not re-
duce incoming gas pressure, heater regulator
14
INSTALLATION
Continued
damage could occur. Install external regulator
with the vent pointing down as shown in Figure
13. Pointing the vent down protects it from
freezing rain or sleet.
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 heater. If
pipe is too small, undue loss of
volume will occur.
Propane/LP
Supply Tank
Figure 13 - External Regulator With Vent
Approved Flexible Gas
Hose (if allowed by
local codes)
To Gas
Control
Valve
* Purchase the optional CSA design-certified
equipment shutoff valve from your dealer.
**Minimum inlet pressure for purpose of input
adjustment.
www.desatech.com
CAUTION: Use only new,
Pointing Down
CSA Design-
Certified
Equipment
Shutoff Valve
With 1/8" NPT
Tap*
3" Minimum
Tee
Pipe
Joint
Nipple Cap
Sediment Trap
Figure 14 - Gas Connection
External
Regulator
with Vent
Pointing
Down
Propane/LP - From
External Regulator
(11" W.C.** To 14"
W.C. Pressure)
Natural - From
Gas Meter (5"
W.C.** to
10.5" W.C.
Pressure)
116412-01E
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