,
Connection to the gas supply, or conversion from one type of gas to
another, should only be undertaken by an registered gas installer under the
gas safety regulations (Registration of Gas Installers and Gas Contractors).
When converting to a different type of gas, the main burner jets and the small
burner jets have to be changed.
Nominal rating at high setting
Gas type
Normal burner
Town Gas (10 mbar)
Natural Gas (20 mbar)
Liquid Petroleum Gas (29 mbar)
Large burner
Town Gas (10 mbar)
Natural Gas (20 mbar)
Liquid Petroleum Gas (29 mbar)
Total output
Town Gas (10 mbar)
Natural Gas (20 mbar)
Liquid Petroleum Gas (29 mbar)
Nominal rating at low setting
Gas type
Normal burner
Town Gas (10 mbar)
Natural Gas (20 mbar)
Liquid Petroleum Gas (29 mbar)
Large burner
Town Gas (10 mbar)
Natural Gas (20 mbar)
Liquid Petroleum Gas (29 mbar)
Screw in the new jets according to the following table.
Jet table
Town Gas
Normal burner
Large burner
Natural Gas
Normal burner
Large burner
Liquid Petroleum Gas
Normal burner
Large burner
The jet markings refer to 1/100 mm of the jet diameter.
Conversion to another type of gas
Main jet C
1.85
2.80
1.00
1.28
0.67
0.87
1.80 / 131 g/h
3.00 / 218 g/h
4.80 / 349 g/h
Low setting jet C
0.74
0.88
0.42
0.52
0.27
0.32
kW
1.80
1.80
3.00
3.00
4.80
4.80
kW
0.35
0.35
0.35
0.50
0.50
0.50
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