SFC 15-99 / SFB 15-99 - Fuel Conversion to Natural Gas - Kit P-805
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Fuel Conversion Instructions
The following procedure must be carried out by a qualified technician.
Model Number
Orifice Size
SFC 15-99 / SFB 15-99
392
Table 2
Natural Gas Orifice Chart
Alternative Natural Gas Orifices - Calorific values 750-
900 BTU/FT
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Model Number
Orifice Size
SFC 15-99 / SFB 15-99
426
Table 3
Natural Gas Orifice Chart
To perform a fuel conversion:
1. Turn off the gas supply at the manual gas valve.
2. Disconnect the electrical power.
3. Disconnect the nut at the gas valve outlet (top of the gas valve), and remove the O-ring and orifice.
4. Insert the correct orifice into the O-ring, and re-install into the nut at the gas valve outlet (top of the gas valve),
and then tighten the nut.
5. Restore the gas supply by opening the gas control valve.
6. Test for leaks by using an approved leak detection solution on all joints.
7. Power on the unit.
Now, carefully follow the procedures on Combustion Testing and Adjustment.