
Optional Equipment
(for qualified installers only)
39
© Travis Industries
4/20/2018 - 1461
Northfield MV
Install the LP (propane) pilot orifice following the instructions below.
(a) Use a 7/16” open-end wrench to remove the pilot hood.
(b) Remove and discard the Natural Gas (NG) orifice. Place the LP orifice in the pilot assembly then
replace the pilot hood, tightening the pilot hood until it is snug (do not over-tighten).
Remove the burner orifice and discard. Install the LP (propane) orifice.
a
b
Natural Gas Orifice = .020N
LP (Propane) Orifce = .014LP
.020N
or
.018N
.014LP
7/16" Wrench
1/2" Wrench
Use a 9/16" wrench to secure the
manifold while removing the orifice
with a 1/2" wrench.
Screw the LP orifice until orifice
protrudes 15/16" (23.8mm)
indicating full insertion (use
wrench to secure manifold when
re-attaching orifice).
d
Look here for the orifice identification
Apply thread sealant to the LP orifice prior
to installation. Use the chart below to
identify the correct orifices.
c
Remove the manifold cover to allow access to the burner orifice.
Then slide the air shutters to provide additional room.
Rear
Orifice
15/16"
23.8mm
a
b
9/16" Wrench
LP NG
1.25mm #47