What is the HZ9VDSB3 designed for?

It is a 90° flat duct bend element in a vertical configuration with a small radius, designed for ducting that may run partly within furniture, suitable for a 65cm worktop depth.

Is this flat duct bend easy to install?

The element is described as easy to cut and easy to connect via a female connector sleeve element, supporting straightforward installation and adjustment.

How does the design affect air flow?

The flat duct bend has an aerodynamically optimised design to minimise pressure loss and maximise air flow rate through the ducting.

What safety or flammability standards does it meet?

The element complies with the Needle Flame Test according to IEC 60695-11-5 and meets the V2 flammability class according to UL94.

What are the packed product dimensions and weight?

The packed product dimensions are 122x175x233 mm, with a weight of 0.2 kg and a gross weight of 0.4 kg.

How many units fit on a pallet?

The standard number of units per pallet is 240, with pallet dimensions of 175.0 x 80.0 x 120.0.

Product Information Sheet

Siemens Flat Channel 90º Vertical Bend (Medium Radius),

SKU: HZ9VDSB3

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 20 July 2026

Siemens HZ9VDSB3 Flat Channel 90º Vertical Bend (Medium Radius),

SKU: HZ9VDSB3 · EAN: 4242003890691

The HZ9VDSB3 flat duct, 90°, vertical M is a 90° flat duct bend element designed for vertical configurations with a small radius. It is suitable for ducting partly within furniture for a 65cm worktop depth. The aerodynamically optimised design helps minimise pressure loss and maximise air flow rate, while the element is easy to cut and connect using the female connector sleeve. It complies with specified flame and needle flame tests.

2 Year Warranty

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Product name	Flat duct, 90°, vertical M
Model reference	HZ9VDSB3
Dimensions of the packed product (H×W×D)	122x175x233 mm
Pallet dimensions	175.0 x 80.0 x 120.0
Standard number of units per pallet	240
Weight	0.2 kg
Gross weight	0.4 kg
EAN code	4242003890691
Measurements in mm (drawing)	Length 222 mm, width 109 mm, height 154 mm, internal heights 104 mm and 89 mm

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 Siemens dealer, with full manufacturer warranty. Established 1967.

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Siemens Flat Channel 90º Vertical Bend (Medium Radius),

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