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Routing through a duct
Installation Information
Provide an inspection aperture at the base
of the duct for checking the secondary
ventilation. The condensate drainage from
the flue to the boiler must be ensured
through a gradient of at least 3° (approx.
50 mm/m).
Route the flue over the roof (observe
the roof clearance perpendicular to the
roof inclination 400 mm according to the
building regulation.
10
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