Fixed | External Twin Wall Flue System | Single Storey | 4.5m

This fixed twin wall flue system is designed for safe, efficient external installation on single-storey properties such as bungalows, cabins, and outbuildings. The kit is pre-configured with four bends and fixed pipe lengths, providing a professional finish without the need for on-site adjustments.

The system is built from high-grade stainless steel with 25 mm rock wool insulation, ensuring long-term durability, safety, and compliance with UK building standards.

What’s Included in the Kit

• Flat Adaptor (Ø 125) – Connects the stove outlet to the twin wall system.

• 1000 mm Pipes (x2) – Full-length insulated sections with locking bands.

• 500 mm Pipes (x2) – Half-length sections for fine height adjustments.

• Rain Cap (x1) – Protects the flue from rain while maintaining safe airflow.

• 45° Bends (x3) – Allows offsets to navigate obstructions.

• 135° Tee (x1) – Provides cleaning access and base connection.

• Tee Cap (x1) – Seals the base of the Tee with a condensate outlet.

• Wall Supports 50–80 mm (x2) – Adjustable brackets to secure the flue.

• Retro Fit Base Support (x1) – Anchors the flue system to the wall or slab.

Certification & Standards

• HETAS Approved & CE Marked

• Certified to EN1856-1 T600 N1 W V2 L50040 G50

• Minimum 50 mm clearance from combustibles

• Backed by a 25-Year Manufacturer Warranty (2 years on coating)

Suitable For

• External installations on single-storey buildings such as bungalows and cabins

• Fixed vertical installations where adjustment on-site is not required

• Wood-burning and multi-fuel stoves with a 125 mm outlet

Delivery & Returns

• Standard delivery: 2–5 working days (UK mainland)

• Free collection available from our showroom in Wickford, Essex

• Returns accepted within 14 days for unused, uninstalled items in original packaging. Installed products cannot be returned unless faulty. See our [Returns Policy] for full details.

Why Choose This Kit?

• Complete pre-configured solution for straightforward installation

• Built from durable stainless steel with rock wool insulation

• Designed and certified for long-lasting safety and performance

Need installation guidance or have questions? Our expert team is here to help.