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126797-01F
9
FULL
Y OPEN
Figure 10: Bi-Fold Doors Fully Open
Figure 9: Door Adjustment
Spring
Clip
Partially
Opened
Door
INSTALLATION
Continued
CONNECTING TO GAS SUPPLY
WARNING: A qualifi ed ser vice per son must con nect
heater to gas sup ply. Follow all local codes.
WARNING: This appliance requires a 3/8" NPT (Na-
tional Pipe Thread) inlet connection to the control valve.
CAUTION: Never connect propane/LP unit directly to
the propane/LP supply. This unit requires an external
regulator (not supplied). Install the external regulator
between the unit and the propane/LP supply.
WARNING: Never connect natural gas fi replace
to private (non-utility) gas wells. This gas is com-
monly known as wellhead gas.
Installation Items Needed
Before installing heater, make sure you have the items listed below.
• approved fl exible gas hose and fi ttings (supplied with appliance, if
allowed by local codes)
• external regulator (propane/LP models only)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve*
• test gauge connection*
• sediment trap
• tee joint
• pipe wrench
* An equipment shutoff valve with 1/8" NPT tap is an acceptable al-
ternative to test gauge connection. Purchase the optional equipment
shutoff valve from your dealer.
For propane/LP units, the installer must supply an external reg u la tor.
The external reg u la tor will reduce incoming gas pressure. You must
reduce in com ing gas pressure to between 11" and 14" of water. If you
do not reduce in com ing gas pressure, control valve damage could oc-
cur. Install external reg u la tor with the vent point ing down as shown in
Figure 11
. Pointing the vent down protects it from freezing rain or sleet.
Propane/LP
Supply Tank
External
Regulator
Vent
Pointing
Down
Figure 11 - External Regulator with Vent Pointing Down