Technical Booklet L Combustion Appliances and Fuel Storage Systems·Page 70·5.8
Outlets from flues and flue heights
Flue outlets must be positioned externally to safely disperse combustion products and ensure correct operation of natural draught flues. The outlet location should follow Diagram 5.2 and Table 5.1.
5.8 The outlet from a flue should be so situated externally as to allow the safe dispersal of the products of combustion, the correct operation of a natural draught flue and, if a balanced flue, the intake of air. The flue outlet should be located as shown in Diagram 5.2 and Table 5.1.
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