Twin Wall to Twin Wall Increaser Ø 125 to Ø 150 – Flue Adaptor for Fuel & Gas
£ 54,00
Inner Material: 316L Stainless Steel – 0.40mm thick
Outer Material: 304 Stainless Steel – 0.40mm thick
Fuels: Wood, Oil, Gas, coal
Approvals: HETAS / UKCA
Distance to Combustibles: 60mm
Warranty: 12 Years
Description
Key Features
- Increases Flue Size: Provides a smooth transition from Ø 125mm to Ø 150mm within a KC Twin Wall chimney system.
- Durable Construction: Made with a 304-grade stainless steel outer skin and a 316-grade stainless steel inner skin.
- Effective Insulation: Features compressed rock wool insulation with a density of 128kg/m³.
- Versatile Use: Suitable for solid fuel, gas and oil appliances.
- Approved & Compliant: HETAS-approved and UKCA-marked.
Installation
Connect the increaser to compatible KC Twin Wall components using a locking band. Maintain a minimum 60mm clearance from combustible materials.
Product Overview
The Twin Wall to Twin Wall Increaser Ø 125 to Ø 150 provides a secure transition between two different flue diameters. Its insulated stainless steel construction ensures a strong and reliable connection within KC Twin Wall chimney systems.







