Adapter duct round-flat
AD704050 • 17006666
Replacement for
AD704049

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Model number (E-Nr.)

The model number (E-number) is located on the type plate of your device.

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1 x Air collector box.

2 x DN 150 flat duct air intake.

To connect AL 400 to the remote fan unit AR 403 / AR 413 bottom side.

1 x DN 200 cylindrical duct air outlet.

To connect AL 400 to the remote fan unit AR 401 (in combination with the air collector).

1 x DN 200 round duct air intake.

To connect the AL 400 to the remote fan unit AR 403 in the cellar (in combination with the air collector and the DN 200 air outlet).