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Table A - Installation Depth Requirements for a Flavel Windsor being
installed into a brick built chimney, requiring 12.0 litres of debris
collection volume (fig. 2).
Opening Width (mm)
Minimum Depth Required (mm)
330 (minimum opening width)
152
340 149
350 146
360 144
370 142
380
139
390
137
400
135
410
132
420 130
430
127
440 (maximum opening width)
125
For example, if the appliance was to be fitted into a 400mm wide opening, the
depth required would be 135mm. See fig. 2 below for explanatory diagram.
Fig. 2
7
Opening Width ( e.g. 400mm)
Depth Required
(e.g. 135mm)