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Installations" which makes clear the conditions that must be met to demonstrate that
sufficient ventilation is available
3.16 Propane gas appliances must not be installed in a room, which is built entirely
below ground level (See BS 5871 Pt2).
3.17 If the appliance is to be fitted against a wall with combustible cladding, the
cladding must be removed from the area covered by the outer surround. The cladding
must also not touch the surround. (See figure 4).
We suggest that the actual surround is used as a
template to mark the area for combustible
cladding removal and that this area is increased
by at least 2mm all round.
3.18 The minimum allowable distance from the
outside of the appliance case to a corner wall
having combustible material or any other
combustible surface which projects beyond the
front of the appliance is shown in figure 5.
A 50mm access clearance from a non-
combustible surface is necessary at the left side.
See figure 5.
Figure 5. Appliance dimensions
INSTALLER GUIDE
Page 11
Figure 4. Removal of
Combustible cladding
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