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GAS FILTER CLEANING (supplied on request)
To clean the gas filter close the gas shutoff cock on the pipe. Remove the filter cover and extract the
filter cartridge. Carefully clean it, if possible blasting it with compressed air. When refitting the cover,
take care not to pinch the O-ring and check that there are no gas leaks.
N.B. If you wish to check and clean the combustion head parts, it is advisable to loosen the two
locking screws (6) of the gas feed union (see Fig. 9).
Loosen the screw (4) that secures the burner to the boiler coupling plate and remove the burner.
Remove the flame nozzle and then thoroughly clean the gas diffuser assembly.