Flavel Castelle Installation, Maintenance And User Instructions page 7

Table A - Installation Depth Requirements for a Flavel Castelle being
installed into a brick built chimney, requiring 12.0 litres of debris collection
volume (figure 2).
The chimney requires a minimum of 50mm clearance when measured from the
mouting face of the fire behind the firebox to accomodate 12.0 litres of debris
collection.
See figure 2 below for explanatory diagram.
Fig. 2
1.7 FITTING TO FIREPLACES WITH EXISTING CHAIRBRICKS AND
CONVENTIONAL BRICKBUILT CHIMNEYS
This appliance is suitable for use in fireplaces fitted with an existing chairbrick
without the need for removal of the chairbrick, providing the minimum depth of the
fireplace from mounting face to chairbrick exceeds 125mm. The fireplace must be
checked to ensure that no part of the chairbrick is within 50mm of the flue outlet of
the fire when installed.
Opening Width ( e.g. 400mm)
Depth Required
(e.g. 125mm)
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