9
flue for regular inspection and sweeping of the flue ways.
Chimneys should be as straight as possible. Horizontal runs should be avoided except
where the rear outlet (if applicable) of the appliance is used, in which case, the horizontal
section should not exceed 150mm (6 inches) in length
.
Refer to the typical installation diagrams, Fig 7-9. Flue connections must be well sealed.
A non-combustible register plate minimum 1.5mm thick should be fitted to all installations
between the flue and the building structure.
Fig 8: Horizontal register plate with top flue connection
CLEANING THE FLUE
Access for cleaning the flue should be incorporated in the system other than through the
appliance (e.g. a soot door or access through a register plate).
