Description
Flex to Twin Wall Adapter Twin Flue (5 Inch) – TWPro, Stainless Steel, HETAS & UKCA Approved
The Flex to Twin Wall Adapter Twin Flue (5 inch) TWPro is a transitional adaptor designed to connect MI-Flues multi-fuel flexible liners to the TWPro twin wall flue system. Featuring a secure screw-fix coupling, this adaptor must be installed inside an existing class 1 chimney, ensuring no flexible liner is visible outside the brick or clay chimney.
Why Choose the Flex to Twin Wall Adapter?
Manufactured from 304 grade stainless steel (outer) and 316 grade stainless steel (inner), both 0.4mm thick, this fully welded adaptor is insulated with high-density compressed rockwool for maximum safety. HETAS approved and UKCA marked, it’s tested to 600°C and comes with a 25-year warranty. Suitable for all solid fuel, gas, and oil appliances, and designed for use with TWPro twin wall flue systems.
Key Features
Secure Transition: Connects flexible liner to TWPro twin wall flue
Screw-Fix Coupling: Ensures a tight, reliable connection
Durable Construction: 304/316 stainless steel, fully welded
Insulated: Compressed rockwool for superior safety
Certified & Approved: HETAS approved, UKCA marked, EN1856-1 compliant
Warranty: 25 years (conditional), 2 years on paint
System: For use with TWPro Twin Wall Flue parts only
Product Specifications
Type: Flex to Twin Wall Adapter
Internal Diameter: 5 inch (125mm)
External Diameter: 7 inch (175mm)
Material: 304 Stainless Steel (outer), 316 Stainless Steel (inner), 0.4mm thick
Insulation: Compressed rockwool, 200kg/m³
Finish: Stainless Steel Mirror
Approvals: HETAS, UKCA, EN1856-1
Warranty: 25 years (conditional), 2 years paint
Additional Information
FREE Delivery: Available on orders over £100. Click here to check delivery information for your area.
For more adapters and twin wall flue accessories, visit modernstoves.co.uk.
Need advice? Ring 0161 439 1400.
