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Combustible object
Not less than 60 cm
Important: The gap with the ground must be enlarged in areas
subject to heavy snowfall.
Extension tube of
max. 2.5 metres
13
Combustible object
Noncombustible object
Not less than 60 cm
45˚
Not less than 30 cm
Flue pipe
* Be sure this
* Not less than 20 cm
Fig. 1 (continued) gaps heater/exhaust pipe
Frontal obstruction
45 cm
or more
50 cm
or more
Important: A windbreaker may be necessary in open areas that
Must be higher
Snow
Fig. 2 Gaps heater/exhaust pipe
Not less than 45 cm
Not less than
45 cm
clearance will
be maintained
after snowfalls,
etc.
Snow-covered surface or ground
are subjected to strong winds.
Strong wind
Distance from
exhaust pipe to
Not less
windbreaker
that
minimum 45 cm
45 cm
Windbreaker
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