Appliances connected to a flue for the dispersal of combustion products shall be so designed and constructed that in abnormal draught conditions there is no release of combustion products in a dangerous quantity into the indoor spaces or rooms concerned.
Déanfar agus dearfar fearais a nasctar le múchán le táirgí dócháin a scaipeadh amhlaidh ionas nach scaoilfear aon táirgí dócháin i gcainníocht chontúirteach isteach sna spásanna nó sna seomraí laistigh lena mbaineann, faoi dhálaí neamhghnácha seoidirí.