FireplaceXtrordinair ProBuilder 72 Linear MV Installation Manual page 55

5. Follow the directions below to replace the orifice.
Remove the manifold gasket (note orientation - the larger side goes
a
downwards). REPLACE THE GASKET AFTER INSTALLING LP ORIFICE.
9/16" Wrench
d
Screw the LP orifice until orifice
protrudes 15/16" (23.8mm)
indicating full insertion (use
wrench to secure manifold when
re-attaching orifice).
6. Reinstall the orifice gasket that was removed in step 6.
© Travis Industries
Installation
(for qualified installers only)
1/2" Wrench
Rear
Orifice
Left Burner #54
Right Burner #54
Use a 9/16" wrench to secure the
b
manifold while removing the orifice
with a 1/2" wrench.
Apply thread sealant to the LP orifice prior
to installation. Use the chart below to
identify the correct orifices.
15/16"
23.8mm
Look here for the orifice identification
LP
1/2/19 - 1458
c
NG
#43
#43
The longer portion
of the gasket should
be at the bottom.
PB 72 MV/GSB2 Install
55