issued by the Department of the Environment for Northern Ireland.
In the republic of Ireland the installation must be carried out by a competent person and
installed in accordance with:
a)
The current edition of IS 813 “Domestic gas installations”
b)
All relevant national and local rules in force.
c)
The current building regulations
Where no specific instructions are given, reference should be made to the relevant
British Standard Code of Practice.
3.2
In the United Kingdom, as supplied, this appliance can be installed in the
following situations: -
3.2.1
A masonry chimney with a minimum diameter of 175mm (7”) free from any
obstruction, and with any damper or restrictor plate in the chimney removed or secured,
and having a minimum effective flue height of 3m (10ft). A masonry chimney having a
correctly installed flue liner to BS715 and with a minimum flue diameter of 125mm is
also acceptable. Chair brick removal may not be required providing at least 50mm
clearance is available from the flue outlet to any fireplace component.
3.2.1.1
‘Hole-in-the-wall’ Installations
!
It is recommended that a hearth should be installed as in figure 1.
!
If a hearth is not fitted, the fire must be installed so that the distance from the base
of the fireplace opening in the wall to the finished floor level is at least 72mm. The
minimum shelf height will
have to be taken from the
base of the fireplace
opening.
3.2.2
To a fireplace
incorporating a metal flue
box conforming to BS715
with a minimum internal
depth of 165mm.
Incombustible mineral wool
insulation of not less than
50mm thickness must be
applied to the top surface of
the firebox (See figure 2)
and it must stand on a non-
combustible hearth (See
figure 1).
Page 6
INSTALLER GUIDE
Figure 1. Hearth and fireplace opening dimensions
See section 3.18
