Dimplex Westcott 4.3kW Istruzioni per l'utente - Pagina 3

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5
7
9
Fireplace Opening
X
400mm (16")
X
CONSTRUCTIONAL HEARTH
min 225mm
NON COMBUSTIBLE
125mm THICK MINIMUM
Z
Z = At least 150mm or to a
suitably heat resistant wall
3
7
non combustible wall
min thick Y
Z
6
8
5
4
10
fireback and
insulated infill
Change in flooring
level to distinguish
hearth
1
6

Typical installation

Lintel or
Gather
Constructional Hearth
min 125mm thick
2
Clay Flue pipe
Fireback to
BS1251
min 75mm