Table A - Installation Depth Requirements for a Flavel Richmond Plus being
installed into a brick built chimney, requiring 12.0 litres of debris collection
volume (figure 2)
Opening Width (mm) Minimum Depth Required (mm)
400 (minimum opening width) 298
410 392
420 285
430 280
440 273
450 (maximum opening width) 269
For example, if the appliance was to be fitted into a 400mm wide opening, the
depth required would be 298mm. See figure 2 below for explanatory diagram.
Fig. 2
8
Opening Width ( e.g. 400mm)
Depth Required
(e.g. 298mm
minimum)