DDF 125/150
* Lead flashing
The roof vent kit can be used for
installing venting through pitched tiled,
pantiled, slate or shingle roofs.
Consult a roof tiler for advice regarding
other types of roofing.
The roof vent kit is not suitable for
flat roofs.
Installation must only be carried out
by a qualified roof tiler.
^
Remove the roofing around the
installation area.
^
Bend the flashing upwards.
^
Position the vent kit on the roof with
the air outlet directed down the roof.
^
Secure the vent kit to the roof
substructure with the fixing plate.
^
Replace the roofing. Press down on
the flashing to ensure that it creates a
proper seal.
The flashing should be fitted under
the roofing at the top and above the
roofing at the sides and the bottom.
The vent kit stub has a diameter of
125 mm when the appliance is
supplied.
^ If a diameter of 150 mm is required,
the front ring of the stub must be cut
off at the join with a sharp knife (see
illustration).
^ Push the flexible ducting onto the stub
and secure it with a hose clip.
It has an integrated non-return flap.
Installation
19
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