What is the length and connection type of the HZ9VDSM1 flat duct?

The HZ9VDSM1 is a straight flat–duct tube element with a length of 500 mm and a male connection.

Is the HZ9VDSM1 flat duct tested for flame resistance?

Yes, it complies with the Needle Flame Test according to IEC 60695–11–5 and meets the V2 flammability class according to UL94.

Can the HZ9VDSM1 flat duct be cut to size?

Yes, the element is described as easy–to–cut, allowing you to adjust its length where necessary.

How is the HZ9VDSM1 flat duct connected to other duct components?

It is easy–to–connect via a female connector sleeve element.

What are the packed product dimensions and weight?

The packed product dimensions are 98 x 235 x 530 mm, with a weight of 0.9 kg and a gross weight of 1.1 kg.

Product Information Sheet

Siemens 1 x 500mm Long Flat Channel Ducting

SKU: HZ9VDSM1

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 HZ9VDSM1 1 x 500mm Long Flat Channel Ducting

SKU: HZ9VDSM1 · EAN: 4242003890653

The Siemens HZ9VDSM1 is a straight flat–duct tube element with a 500 mm male connection, designed for efficient ducting installations. It is aerodynamically optimised to minimise pressure losses and maximise flow rate, while remaining easy to cut and simple to connect with a female connector sleeve element. Complying with the Needle Flame Test according to IEC 60695–11–5 and V2 flammability class according to UL94, it supports safe and practical ventilation layouts.

2 Year Warranty

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This Product Page

Product name	Flat duct
Model code	HZ9VDSM1
Element type	Straight flat–duct tube element (500 mm, male)
Measurements in mm (duct body)	Length 500 mm, width 222 mm, height 89 mm
Dimensions of the packed product (H x W x D)	98 x 235 x 530 mm
Pallet dimensions	175.0 x 80.0 x 120.0
Standard number of units per pallet	96
Weight	0.9 kg
Gross weight	1.1 kg
EAN code	4242003890653
Flammability classification	V2 flammability class according to UL94
Needle flame testing	Complies with Needle Flame Test according to IEC 60695–11–5

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 1 x 500mm Long Flat Channel Ducting

Siemens HZ9VDSM1 1 x 500mm Long Flat Channel Ducting

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