I.S.B INSULATION (YELLOW) PACKED BETWEEN
HEATER AND BRICK / MASONARY ENCLOSURE
BRICK / MASONRY
ENCLOSURE
Diagram 7
As this fire sources its combustion air from the
chimney cavity, the fire must be sealed using
the yellow ISB insulation provided around the
front of the casing and masonry enclosure at
the FRONT ONLY to a maximum depth of
80mm.
UNDER NO CIRCUMSTANCES SHOULD
THE AIR SUPPLY INTO THE AIRPORTS ON
THE SIDE OF THE
HEATER BE
RESTRICTED