Travis Industries 864 HH Installation Manual page 53

Built-in direct vent fireplace
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Use a 1/2" open end wrench
to unscrew both orifices.
Front Burner
Orifice
Lift the pilot hood
a
off the pilot
assembly.
Front Orifice
b
Rear Burner
1/2" Wrench
Orifice
Manifold
d
Screw the LP orifice in so the
orifice shoulder protrudes 5/16"
(indicating full insertion).
c
Use a hex wrench to
b
unscrew the orifice.
5/32" Hex
NOTE: when re-attaching,
this pin lines up with the
notch in the pilot hood.
a Slide the air shutters all
the way to the left.
Rear Orifice
Manifold
c
Apply thread sealant to the LP
orifices prior to installation. Use
the chart below to identify the
correct orifices.
Look here for the orifice identification
LP
NG
1.2mm
#45
Front
Rear
#55
#45
5/16"
Remove the orifice and replace with the LP orifice. Screw the
orifice all the way in and replace the pilot hood.
Orifice Identification:
LP (Propane) Orifice
35
35
NG (Natural Gas) Orifice
62

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