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5.10.7 Combined flue outlet/air inlet system
Unit category : C43
The communal air supply and the communal output of the combustion gases may be
carried out concentrically or separately.
The minimum diameters of the combined air supply and flue system based on the
continuation sheet 2001-02 inspection requirements no, 138 of Gastec.
RKOMBG22AAV1 AND
RKOMBG28AAV1
IMPORTANT
• A Combination Air/flue gas system is permitted.
• For the combined combustion gas outlet hood and air supply
hood, a declaration of no objection or a Gas certificate from the
Gastec Gas institute is required.
• The passage of the pressure balancing opening at the bottom of
the communal air supply and flue gas outlet system is equal to
0.44 times the flue gas outlet surface.
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