5
Flue and Chimney connection to your stove
The outlet from the chimney should be above the roof of the building in accordance with the provisions of Building Regulations
Approved Document J.
If installation is into an existing chimney then it must be sound and have no cracks or other faults which might allow fumes
into the house. Older properties, especially, may have chimney faults or the cross section may be too large i.e., more than
200 mm x 200 mm. Remedial action should be taken, if required, seeking expert advice. If it is found necessary to line the
chimney then a flue liner suitable for solid fuel must be used in accordance with Building Regulations Approved Document
J.
Any existing chimney must be clear of obstruction and have been swept clean immediately before installation of the stove.
If the stove is fitted in place of an open fire then the chimney should be swept one month after installation to clear any
soot falls which may have occurred due to the difference in combustion between the stove and the open fire.
If there is no existing chimney then either a prefabricated block chimney in accordance with Building Regulations Approved
Document J or a twin walled insulated stainless steel flue to BS 1856-1 an be used. These chimneys must be fitted in
accordance with the manufacturer’s instructions and Building Regulations.
A single wall metal flue pipe is suitable for connecting the stove to the chimney but is not suitable for using for the
complete chimney. The chimney and connecting flue pipe must have a minimum diameter of 150 mm and its dimension
should be not less than the size of the outlet socket of the stove. Any bend in the chimney or connecting flue pipe should
not exceed 45
°
. 90
°
bends should not be used other than within 150 mm of stove rear flue outlet.
