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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 4543 can be used. These chimneys must
be fitted in accordance with the manufacturer's instructions and Building Regulations.
A single wall metal fluepipe is suitable for connecting the stove to the chimney but is not suitable for using for
the complete chimney. The chimney and connecting fluepipe must have a minimum diameter of 125 mm and its
dimension should be not less than the size of the outlet socket of the stove. Any bend in the chimney or connect-
ing fluepipe should not exceed 45°. 90° bends should not be used.
If it is found that there is excessive draught in the chimney then either an adjustable flue damper or alternatively
a draught stabiliser should be fitted. The adjustable flue damper should not close off the flue entirely but should
in its closed position leave a minimum continuous opening free area of at least 20 % of the total cross sectional
area of the flue or fluepipe.
Adequate provision e.g. easily accessible soot door or doors must be provided for sweeping the chimney and
connecting flue pipe.
WF UNIQ 35 Dimensions
Height
Width
Depth
Closed combustion as std
WESTFIRE · WF35
UNIQ 35
UNIQ 35
Standard
PEDESTAL
590mm
985mm
390mm
390mm
350mm
350mm
Yes
Yes
9
UNIQ 35
INSET
Stove
Frame 4 sided
555mm
625mm
390mm
480mm
345mm
Yes
UK
Frame 3 sided
590mm
480mm
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