Description
Installation Kit 605 with 5–6 Inch Increaser Adapter (150mm) – Multifuel Flex
The Installation Kit 605 is designed for use with 6 inch (150mm) multifuel flexible liners, ideal for flat top chimneys where the existing chimney pot is removed or absent. This complete kit includes a 5–6 inch increasing adapter, allowing connection between a 5 inch single wall pipe and a 6 inch flexible liner.
Why Choose This Item?
This kit provides all the essential components needed for a secure, compliant, and weatherproof flue installation. It includes a top plate, top clamp, rain cowl, nose cone, increasing adapter, and chimney notice plate—everything required to complete your chimney setup without removing the chimney pot.
Kit Contents
1 x Top Plate: 6 inch diameter, secures the liner at the chimney top
1 x Top Clamp: 6 inch diameter, holds the liner firmly in place
1 x Rain Cowl: 6 inch diameter, prevents rain ingress
1 x Nose Cone: 6 inch diameter, aids liner installation
1 x Increasing Adapter: Connects 5 inch single wall pipe to 6 inch flexible liner
1 x Chimney Notice Plate: Ensures compliance and safety
Key Features
Complete Kit: All parts needed for flat top chimneys with no pot
Size Conversion: 5 to 6 inch pipe adapter included
Weatherproof: Rain cowl provides protection from the elements
Easy Connection: Adapter for single wall pipe to flexible liner
Suitable For: 6 inch (150mm) multifuel flex liners
Compliant: Chimney notice plate included for Building Regulations
Additional Information
FREE Delivery: Available on orders over £100. Click here to check delivery information for your area.
For more installation kits and flue accessories, visit modernstoves.co.uk.
Need help or a free design/quotation? Call 0161 439 1400.




