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8.7.2
Connection on the combustion air box
1.
2.
3.
4.
5.
6.
7.
8.
9.
Cuatro-7 75-60
Identify the location in the outer wall or in the floor (to a ventilated crawl space) for
the external combustion air supply inlet.
Make a hole in the outer wall or floor with a diameter of minimum 125 mm.
Install a grate in the hole in the outer wall. A grate is not needed when the
combustion air supply comes from the crawl space under the floor.
Note: The image shows the combined convection ventilator / combustion
air inlet box.
If applicable, select one of the 3 inlet
openings on the left, right or bottom
of the optional combustion air inlet
box or the convection ventilator /
combustion air inlet box .
Remove the break out plate in the
selected inlet opening of the optional
convection air/ combustion air inlet
box with a hammer.
Put the collar adaptor in the open
inlet opening (1).
Bend out the 3 lips on the collar
adaptor (2) and turn the adapter until
it locks.
Connect a flexible aluminum pipe
with a diameter of 125 mm on the
collar adaptor. Use a hose clamp (B).
Connect the other end of the flexible
aluminum pipe with the hole in the
floor or the grate in the wall. Use a
suitable connector.
Installation in a new fireplace
2
©
)
1
A
B
C
2
35
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