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SITE REQUIREMENTS
PR7216R
150mm
minimum
Constructional Hearth
840mm minimum
Constructional Hearth
840mm minimum
150mm
minimum
150mm
minimum
225mm
minimum
2.1 The appliance must stand on a non-combustible
constructional hearth which is at least 125mm thick with
the minimum dimensions as shown in diagram.
2.2 The building must have a suitable load-bearing capacity for
the hearth and appliance.
•Consultastructuralengineerforadvicebeforeproceeding
2.3 When fitting into an existing hearth check:
•Thattheappliancecomplieswithcurrentconstruction
regulations and is at least the minimum sizes shown
2.4 If there is no existing fireplace or chimney it is possible to
construct a suitable non-combustible housing and hearth
setting. The flue must be installed in accordance with all
local and national regulations and current rules in force .
•Checkifaddinganewchimneytoyourpropertyrequires
planning permission
2. HEARTH DIMENSIONS
Position On Roof Minimum Clearances
A
On ridge or within 600mm 600mm above ridge
B
Elsewhere on roof 2300mm horizontally from roof surface and:
a) 1000mm above highest point of flue exit
from roof or
b) as high as the ridge
C
On pitched, within 2300mm horizontally to
openable window, dormer
1000mm above top of opening
D
Within 2300mm of another building 600mm above top of building
1. FLUE OUTLET POSITIONS
150mm
max
Vertical
Measurement
Terminal
Insulation
Flue
Horizontal
Measurement
Adjacent
Building
The vertical measurement is the lowest from either the
point of discharge or 150mm above insulation.
IMPORTANT: Seek specialist
advice if installing in a dwelling
with a thatched roof