The Baxi 5111074 is a genuine OEM 1-metre flue extension designed for use with Baxi, Main, and Potterton 60/100 concentric flue systems. This extension allows installers to increase the total flue length, enabling greater flexibility when routing flue terminals through walls, ceilings, or vertically through roofs.

Ideal for installations where the boiler needs to be positioned further from the terminal location, this high-quality extension maintains an airtight, watertight, and condensation-resistant seal to ensure safe and compliant operation of the boiler.

Key Features:

• Genuine Baxi 1m flue extension

• Suitable for 60/100 concentric flue systems

• Extends horizontal or vertical flue runs

• Ensures airtight, safe discharge of combustion gases

• Maintains condensate resistance and flue integrity

• Lightweight, durable, corrosion-resistant construction

• Push-fit connection for secure, straightforward installation

• Ideal for installations requiring additional flue length

Compatibility

The Baxi 5111074 1m Extension is compatible with:

• Baxi boilers

• Main boilers

• Potterton boilers

• Any appliance using a 60/100 concentric flue system

Common compatible boiler ranges include:

• Baxi Duo-tec

• Baxi Platinum

• Baxi EcoBlue

• Main Eco / Eco Elite

• Potterton Promax Combi & System

Installers should always confirm maximum flue lengths and restrictions via the boiler’s installation manual.