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)
400 (minimum opening width)
410
420
430
440
450 (maximum opening width)
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
Minimum Depth Required (mm)
298
392
285
280
273
269
Opening Width ( e.g. 400mm)
8
Depth Required
(e.g. 298mm
minimum)