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KALVIS-4 (N) EN 2019.01.14
5.2. Requirements for chimney
Chimney design and boiler connection to chimney options are shown on fig. 4.
Fig. 4.
Requirements:
• Boiler needs a separate chimney hole without any other extra
connections.
• Chimney draft has to be as shown in the main technical specification
table.
• Chimney hole must have diameter no less than that of the flue pipe
outgoing from the boiler.