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3.10.2
Metal flue box and hearth.
The appliance can be installed to a fireplace
incorporating a metal flue box complying
with the constructional requirements of the
current edition of BS 715 and with a flue
conforming to BS EN 1856 part 1. The
dimensions of the flue box must conform to
those shown in figure 5.
The top surface of the metal flue box must
be covered with a 50mm layer of mineral
wool or equivalent insulation (See figure 5).
Important Note
: Where the flue box has a
base sheet that is single wall (i.e. a single
metal sheet) the flue box must be mounted
on a non-combustible hearth. The hearth
material must be at least 12mm thick.
Page 15
©
Baxi Heating U.K. Limited 2010.
INSTALLER GUIDE
Figure 5. Metal flue box
Содержание 953
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