Table A - Installation Depth Requirements for a Flavel Vesta being installed
into a brick built chimney, requiring 12.0 litres of debris collection volume
(Fig. 2).
Opening Width (mm)
350 (minimum opening width)
360
370
380
390
400 (maximum opening width)
For example, if the appliance was to be fitted into a 400mm wide opening, the
depth required would be 155mm. See fig. 2 below for explanatory diagram.
Fig. 2
Minimum Depth Required (mm)
173
170
167
163
158
155
Opening Width ( e.g. 400mm)
7
Depth Required
(e.g. 155mm)