Travis Industries 33 DVI GSB2 Owner's Manual page 37

Optional Equipment
5. Remove and discard the manifold cover (see below).
6. Install the LP (propane) orifices.
1/2" Wrench
ORIFICE SIZE (ID)
Front Burner Orifice
Rear Burner Orifice
© Travis Industries
Front Burner Orifice
a
Thread Sealant
Orifice ID
Natural Gas
#49 DMS
#43 DMS
(
for qualified installers only)
Rear Burner Orifice
b
LP (Propane)
#57 DMS
#53 DMS
4140813
c
15/16"
24mm
100-01297
37