What is included with the Gaggenau AD704050?

The AD704050 includes 1 × air collector box, 2 × DN 150 flat duct air intake, 1 × DN 200 cylindrical duct air outlet and 1 × DN 200 round duct air intake.

Which appliances can the AD704050 connect to?

It is designed to connect the AL 400 to remote fan units AR 401, AR 403 and AR 413, with specific combinations of the supplied duct components.

How does the AD704050 connect the AL 400 to AR 403 or AR 413?

It connects the AL 400 on the bottom side to the remote fan units AR 403 or AR 413 using the supplied duct components.

Can the AD704050 be used for cellar installations?

Yes. It can connect the AL 400 to the remote fan unit AR 403 in the cellar when used in combination with the air collector and the DN 200 air outlet.

Are dimensions available for planning?

Measurements are provided in millimetres and in inches in the dimensional drawings to support planning and installation.

Product Information Sheet

Gaggenau Air Collector Flat Duct

SKU: AD704050

Woodalls 1053–1055 Finchley Road, London, NW11 7ES
+44 (0)208 455 3925 · [email protected] · www.woodalls.co.uk

Mon–Fri: 9:00am – 5:00pm | Sat–Sun: Closed

Printed 19 July 2026

Gaggenau AD704050 Air Collector Flat Duct

SKU: AD704050

Connection Piece for AL400

The Gaggenau AD704050 is an optional installation accessory designed as an air duct part for use with the AL 400 and compatible remote fan units. It includes an air collector box and multiple duct connections to support different installation layouts. The component enables connection between the AL 400 and remote fan units AR 401, AR 403 and AR 413, including cellar installations when used in combination with specified duct parts.

5 Year Warranty

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Product code	AD704050
Product type	Optional accessory – installation accessory, air duct part
Supplied components	1 × air collector box; 2 × DN 150 flat duct air intake; 1 × DN 200 cylindrical duct air outlet; 1 × DN 200 round duct air intake
Compatible appliance	AL 400
Compatible remote fan units	AR 401 (in combination with the air collector); AR 403; AR 413
Connection position to AL 400	Bottom side (for AR 403 / AR 413)
Installation option with AR 401	Connection to AL 400 in combination with the air collector
Installation option with AR 403 in cellar	Connects AL 400 to AR 403 in the cellar in combination with the air collector and DN 200 air outlet
Dimensions	Measurements in mm and in inches (detailed values shown in dimensional drawings)
Date of document	2025–10–30

Delivery & Returns

Delivery

Free delivery to London addresses to ground floor only (service lift access accepted). Some appliances carry standard manufacturer delivery charges — confirmed at time of quotation. UK mainland delivery available for an additional charge. Lead times vary by make, model, and manufacturer availability.

Installation

We do not install appliances. We can recommend vetted fitters operating within London — payments are made directly with the fitter. Woodalls accepts no responsibility for installation work carried out by any third party.

Returns

14-day return window from the day after delivery. Items must be unused, uninstalled, and in original packaging. View our full returns policy →

Authorised Dealer

All products are supplied as an authorised Gaggenau dealer, with full manufacturer warranty. Established 1967.

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Gaggenau Air Collector Flat Duct

Gaggenau AD704050 Air Collector Flat Duct

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