What is the Neff Z861SI0 adapter duct used for?

It is a flat to round converter at Ø 150 mm, functioning as a round–flat adapter accessory (male) to connect between round and flat ducting sections.

How is the adapter designed to affect air flow?

The adapter duct has an aerodynamically optimised design that is specified to minimise pressure loss and maximise air flow rate.

Is the adapter duct easy to install?

It is described as easy-to-cut and easy-to-connect via a female connector sleeve element, supporting convenient installation with suitable duct components.

What 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.

What are the packed dimensions and weight?

The packed product dimensions are 190x235x220 mm. The net weight is 0.3 kg and the gross weight is 0.5 kg.

Product Information Sheet

Neff Straight Adaptor / Converter flat to round (Ø 150mm)

SKU: Z861SI0

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

Neff Z861SI0 Straight Adaptor / Converter flat to round (Ø 150mm)

SKU: Z861SI0 · EAN: 4242004253303

For Use with Z811UD0 or Z821PD0

The Neff Z861SI0 adapter duct is a 150 mm round–flat converter designed as a male round–flat adapter accessory. Its aerodynamically optimised design helps minimise pressure loss and maximise air flow rate. The adapter is easy to cut and easy to connect via a female connector sleeve element. It also complies with the Needle Flame Test (IEC 60695-11-5) and the V2 flammability class (UL94), offering tested flame performance for suitable installations.

2 Year Warranty

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This Product Page

Product name	AdApterduct, 150 mm, round-flAt
Product code	Z861SI0
Type	Flat to round converter Ø 150 mm; round–flat adapter accessory (male)
Dimensions of packed product (H × W × D)	190x235x220 mm
Pallet dimensions	205.0 x 80.0 x 120.0
Quantity per packing unit	6
Standard number of units per pallet	120
Net weight	0.3 kg
Gross weight	0.5 kg
EAN code	4242004253303
Complies with Needle Flame Test	IEC 60695-11-5
Flammability class	V2 (according to UL94)
Adapter diameter (round)	A: Ø 152.5
Overall length	222 mm (measurement in mm)
Overall height	157 mm (measurement in mm)
Overall width	206 mm (measurement in mm)
Height at outlet	89 mm (measurement 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 Neff dealer, with full manufacturer warranty. Established 1967.

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Our specialists are on hand to answer any questions about the Neff Straight Adaptor / Converter flat to round (Ø 150mm). Get in touch and we'll respond within one working day.

+44 (0)208 455 3925 [email protected]

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Neff Straight Adaptor / Converter flat to round (Ø 150mm)

Neff Z861SI0 Straight Adaptor / Converter flat to round (Ø 150mm)

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