What is the configuration of the AD857033 flat duct?

It is a flat duct with a Ø 150 mm connection, 90° angle and vertical M configuration.

Which flame and building material standards does it comply with?

It complies with the Needle Flame Test according to IEC 60695-11-5, the V2 flammability class according to UL94 and the B1 building material class according to DIN 4102-1.

Product Information Sheet

Gaggenau Shortened Flat Bend

SKU: AD857033

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 AD857033 Shortened Flat Bend

SKU: AD857033 · EAN: 4242006296049

The AD857033 is a flat duct installation accessory with a Ø 150 mm connection and 90° vertical configuration. Designed as an optional accessory, it is easy to connect via a flat duct connecting piece and is aerodynamically optimised to minimise pressure losses while maximising flow rate. It complies with relevant flame and building material test standards, making it suitable for users who require efficient and tested flat ducting components.

5 Year Warranty

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This Product Page

Product name	Flat duct
Product code	AD857033
Type	Optional installation accessory
Configuration	Ø 150 mm, 90°, vertical M
Connection method	Via flat duct connecting piece
Aerodynamic design	Optimised for minimised pressure losses and maximised flow rate
Needle Flame Test	Complies with IEC 60695-11-5
Flammability class	V2 according to UL94
Building material class	B1 according to DIN 4102-1
Measurements	Measurements in mm (detailed values not stated in source)
Date of document	2025-08-26

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.