Vaillant 100mm Flue Support Clips 5 Pack | 303821 | 60/100mm Air/Flue Duct

Description

The Vaillant 100mm Flue Support Clips provide a secure, manufacturer designed fixing solution for 60/100mm concentric air/flue ducting. Supplied as a pack of five, these pipe clamps help maintain correct flue alignment and support along horizontal or vertical runs, making them a practical accessory for Vaillant boiler installations and flue extensions.

Designed for use with compatible Vaillant 60/100mm flue systems, each clip helps reduce movement and strain on duct joints. They are particularly useful where an air/flue duct extension requires additional support, helping installers achieve a neat, stable and professional finish.

5

Clips per pack

100mm

Duct diameter

60/100mm

Concentric flue

Vaillant

Manufacturer accessory

303821

Product reference

Trade

Installer friendly

Installation notice: Flue systems must be installed in accordance with the boiler and flue manufacturer’s installation instructions and applicable UK regulations. Use only with compatible Vaillant 60/100mm air/flue ducting.

Compatibility: These clips are intended for 100mm outer diameter concentric air/flue duct. Always confirm duct size, boiler model and flue configuration before ordering.

Practical benefit: Correctly supported flue runs help keep duct joints aligned and reduce unnecessary stress on the installation, supporting a tidy and reliable boiler flue system.

Key Features

Secure Flue Support

Helps hold 60/100mm air/flue ducting firmly in position and supports stable alignment along the flue run.

Pack of Five

Supplied as a 5 pack, providing multiple fixing points for extensions, offsets and longer flue installations.

Vaillant System Accessory

A Vaillant branded accessory referenced for use with compatible 60/100mm concentric flue systems.

Clean Installation Finish

Helps create a neat, professional appearance while supporting the duct work around the boiler flue route.

Suitable for Extensions

Ideal for use where flue extensions or additional duct sections require supplementary support.

Trade and Homeowner Use

Suitable for Gas Safe registered installers and homeowners specifying the correct Vaillant flue accessory for a compatible system.

Technical Specifications

Product Details

Brand

Vaillant

Product type

Flue support clips / pipe clamps

MPN

303821

Quantity

5 clips

Compatibility

Duct diameter

100mm outer diameter

Flue system

60/100mm concentric air/flue duct

Typical application

Support for compatible Vaillant air/flue ducting and extensions

Installation

Fixing method

Screw fixed pipe clamp

Installation guidance

Follow the relevant Vaillant boiler and flue installation instructions

Frequently Asked Questions

What size flue duct do these clips fit?

They are designed for 100mm outer diameter 60/100mm concentric air/flue ducting used in compatible Vaillant flue installations.

How many clips are included?

This listing includes a pack of five Vaillant flue support clips, giving several fixing points for a compatible flue run.

Can these clips be used with flue extensions?

Yes. They are commonly used to provide additional support where flue extensions or extended duct runs are installed, helping maintain alignment and stability.

Are these suitable for DIY installation?

Flue installation and alteration should be carried out in line with the manufacturer’s instructions and relevant UK requirements. For boiler flue work, a Gas Safe registered engineer should normally carry out or check the installation.

What is the product reference?

The manufacturer product reference is 303821. This should be checked against your existing flue components before ordering.

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