North Star 864 HH Burner User Manual


 
Finalizing the Installation (for qualified installers only) 53
© Travis Industries 4070201 100-01182_002
3 Follow the directions below to replace the orifices.
1/2" Wrench
Use a 1/2 open end wrench
to unscrew both orifices.
Front Burner
Orifice
Screw the LP orifice in so the
orifice shoulder protrudes 5/16
(indicating full insertion).
Rear Burner
Orifice
d
Look here for the orifice identification
Apply thread sealant to the LP
orifices prior to installation. Use
the chart below to identify the
correct orifices.
Front
Rear
LP
1.2mm
#55
NG
#45
#45
c
a
Slide the air shutters all
the way to the left.
Front Orifice
Manifold
Rear Orifice
b
Manifold
5/16
4 Remove the pilot orifice following the instructions below. Replace with the propane pilot
orifice
Lift the pilot hood
off the pilot
assembly.
5/32" Hex
Use a hex wrench to
unscrew the orifice.
Remove the orifice and replace with the LP orifice. Screw the
orifice all the way in and replace the pilot hood.
LP (Propane) Orifice
Orifice Identification:
NG (Natural Gas) Orifice
35
62
35
a
b
c
NOTE: when re-attaching,
this pin lines up with the
notch in the pilot hood.