Flavel FSCC12MN Installation And Maintenance Instructions Manual page 13

Fig. 6
d) Unscrew the burner assembly fixing screws at either side of the firebox,
and the two fixing screws at the base of the fire (See fig. 7 below).
Carefully pull the base of the burner forwards from the fuel-bed
support panel. The burner can now be removed from the appliance.
Fig. 7
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