Then, according to use:
Article CH Heating, ventilation, refrigeration
Air conditioning and domestic hot water steam generation.
Article GC Installation of appliances to be used for catering
Specific provisions for each type of establishment to which the public is admitted
(hospitals, shops, etc )
The alimentation pipe in gas has to be in compliance with the national require-
ments in vigour and must be periodically controlled and changed if needed.
Important: Never change the diameter of the injectors.
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