SITE REQUIREMENTS - Page 6
These boilers are not suitable for external installation.
This appliance must not be installed in bathrooms, shower rooms, bedrooms,
bed-
sitting rooms, garages or rooms where highly inflammable materials or vapour
s are likelyto be present. Fitting in toilets or cloakrooms is not recommended b
ut it is permitted, provided the ventilation and combustion air is taken direct fro
m outside.
Where the installation of the boiler will be in an unusual location special proce
dures may be necessary and BS. 6798 1987 gives detailed guidance on this a
spect.
Ensure that the gas supply pipe and meter are large enough for this appliance
and any others that may be run off the same meter. Reference should be ma
de to BS. 6891.
Boiler Mounting Surface
The boiler must be mounted on a flat wall, which may be of combustible mater
ial and must be sufficiently robust to take the weight of the boiler. The require
ments of the localauthorities and the Building Regulations must be adhered to.
IMPORTANT NOTICE: TIMBER FRAMED HOUSES
If the appliance is to be fitted in a timber framed building it should be fitted in a
ccordance with British Gas Publication.
‘Guide for Gas Installations in Timber Framed Housing’. If in doubt, advice mu
st be sought from the local Gas Region of British Gas.
Clearances Around The Boiler
The following minimum clearances must be maintained after installation for co
rrect operation and servicing of the boiler-
610 mm (2 ft) at the front of the boiler:-
5 mm (0.2 in) each side of the boiler
100 mm (4 in) at the top (measured from the top of boiler case)
100 mm (4 in) at the bottom of boiler
Additional clearances may be required to lift the boiler on to the wall.
COMBUSTION AIR AND VENTILATION REQUIREMENTS
General recommendations are given in BS. 5440 Part 2, and the followin
g notes are given as a general guide.
