Vaillant 80/125mm Concentric Flue Extension 1.0m – 303203

The Vaillant 80/125mm Concentric Flue Extension 303203 is a flue accessory designed to extend a compatible Vaillant boiler flue system. Identified as a 1.0m extension, it provides additional flue length where required for a suitable installation.

Also described as the Vaillant HE 125mm Flue Duct Extension 970mm, this component belongs to Vaillant's flue extensions range. It is identified by manufacturer stock code 303203 and EAN 4024074343395. Check the actual product dimensions and compatibility against Vaillant's documentation before ordering, as the supplied descriptions refer to both 1.0m and 970mm lengths.

Key Features

1. Vaillant Concentric Flue Extension

A Vaillant flue accessory intended to extend a compatible concentric boiler flue system.

2. 80/125mm Flue System

Specified for an 80/125mm concentric flue arrangement. Confirm that this size matches your boiler and existing flue components before purchase.

3. Additional Flue Length

Designed to provide additional length where required by the flue layout, subject to the manufacturer's permitted installation configuration and maximum flue-length requirements.

4. Suitable for Compatible Vaillant Systems

Use only with flue systems and appliances confirmed as compatible in Vaillant's technical documentation.

5. Part of the Vaillant Flue Extensions Range

Listed under the extensions sub-category, making it easier to identify when sourcing compatible flue components for installation projects.

6. Easy Product Identification

The manufacturer stock code 303203 and EAN 4024074343395 help with product matching, ordering and stock identification.

Technical Specifications

Applications and Compatibility

This extension is intended for compatible Vaillant 80/125mm concentric flue systems. Check the boiler model, flue-system type, permitted extension length and overall installation configuration against the manufacturer's instructions before ordering. Installation should be carried out by a suitably qualified professional in accordance with applicable UK regulations.

Frequently Asked Questions

What is the Vaillant 303203?

It is a Vaillant 80/125mm concentric flue extension used to add length to a compatible flue system.

What is the flue size?

The supplied product name specifies an 80/125mm concentric flue system.

Is the extension 970mm or 1 metre long?

The supplied information gives both measurements. Verify the manufacturer's stated effective length before publishing the final product specifications.

How do I confirm compatibility?

Check the exact boiler model and flue-system requirements in Vaillant's official documentation before ordering.