Sure Heat 2008 Four Seasons FS38 Natural Gas Conversion Kit - Manual (Page 5)

Fig. 16
Fig. 17
Fig. 18
Fig. 19
Main burner
orifice
Phillips Pan
Head Screws
Fig. 15
FS388LP Natural Gas Conversion Kit Instructions
18. Push the front control panel back in position. Make
sure the orifices of the main burner control valves are
inserted into the main burner tubes. (See Fig. 18)
19. Use the four screws removed in step 4-5 to secure the
front control panel in position. (See Fig. 19)
16. Re-attach the flex line to the bottom IR burner valve. (See
Fig. 16)
15. Hand tighten the flex line to the rear IR burner vavle,
then hold the elbow on the rear IR burner valve and use
a 3/4" wrench to tighten the flex line. (See Fig. 15)
Note: Be careful, applying pressure to the elbow of
the valve, too much pressure may cause the elbow
to break.
17. Connect the light wires to the light switch on the control
panel. (See Fig. 17)
Main burner
tube