UK/IRL
9
UK/IRL
8
3.2 Flue requirements
Suitable flues and flue sizes are as follows:
1.
flexible stainless-steel liner or pipe (to BS715). The flue connector
outer collar is for connection to a 125 mm (5 inch) internal
diameter pipe or liner. The inner collar is for connection to a
100 mm internal diameter pipe or liner.
2. min. 100 - max. 150 mm factory made insulated flue manufactured
to BS 4543.
3. max. 225 mm x 255 mm conventional brick flue.
4. min. 100 mm - max 175 mm diameter lined brick or stone flue.
The minimum effective height of the flue system must be 3 meters.
The flue, most have a positive updraught.
The flue must not be used for any other appliance or application.
Any chimney damper or restrictor should be removed. If removal is
not possible, they must be secured in the fully open position.
If the appliance is intended to be installed to a chimney which was
previously used for solid fuel, the flue must be swept clean prior to
installation. All flues should be inspected for soundness and freedom
from blockages.
When installing a flexible flue liner, it must be fully contained within
another flue and properly supported.
3.2.1 Terminal locations
Site in accordance with BS 5440-1:2000 and the document J.
Flue terminal positions for pitched roofs
fig. 2
