Is this component suitable for vertical ducting?

Yes. It is a 90° flat duct bend component in a vertical configuration, intended for vertical duct runs where a bend with a wide radius is required.

How does the design help air flow performance?

The bend features an aerodynamically optimised design to minimise pressure loss and to maximise the air flow rate through the ducting system.

How is the HZ9VDSB2 connected to other duct components?

The component is a male flat duct bend and is connected via a female connector sleeve element, providing an easy-to-connect solution within the duct run.

Can the duct bend be cut to size?

Yes. It is described as easy-to-cut, allowing adjustment to suit the required installation length.

Which flame resistance 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.

Product Information Sheet

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

SKU: HZ9VDSB2

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

Siemens HZ9VDSB2 Flat Channel 90º Vertical Bend (large Radius),

SKU: HZ9VDSB2 · EAN: 4242003890684

The Siemens HZ9VDSB2 is a flat duct 90° vertical L bend with a large radius, designed for ducting behind backpanels and furniture with a 70 cm worktop depth. This male flat duct component in vertical configuration features an aerodynamically optimised design to minimise pressure loss and maximise air flow rate. It offers an easy-to-cut and easy-to-connect solution via a female connector sleeve element and meets recognised flame resistance standards.

2 Year Warranty

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Product name	Flat duct, 90°, vertical L
Model code	HZ9VDSB2
Dimensions of the packed product (H x W x D)	170 x 185 x 235 mm
Pallet dimensions	205.0 x 80.0 x 120.0
Quantity per packing unit	8
Standard number of units per pallet	160
Weight	0.4 kg
Gross weight	0.6 kg
EAN code	4242003890684
Measured product height	161 mm (measurements in mm)
Measured product width	222 mm (measurements in mm)
Measured product depth	89 mm (measurements in 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 (large Radius),

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