Description
90 Degree Wall Sleeve Twin Wall 5″ (125mm) – Convesa KC, HETAS & CE Approved
The 90 Degree Wall Sleeve Twin Wall (5 inch/125mm, internal diameter) is designed for use when a twin wall flue pipe passes through a wall at a 90° angle. Supplied in a stainless steel finish, this sleeve is typically hidden from sight but ensures a safe and compliant installation.
Why Choose the 90 Degree Wall Sleeve?
This wall sleeve is HETAS approved and CE marked, compatible with Convesa KC twin wall flue systems, and fully compliant with EN1856-1 T600 standards. Suitable for wood, oil, gas, and low sulphur coal appliances.
Key Features
90° Wall Penetration: For twin wall flue pipes passing through walls at 90°
Stainless Steel Finish: Durable and corrosion-resistant
Certified & Approved: HETAS approved, CE marked, EN1856-1 compliant
System Compatibility: For use with Convesa KC Twin Wall
Safe Installation: Maintain 60mm clearance to combustibles
Product Specifications
Type: 90 Degree Wall Sleeve
Internal Diameter: 5 inch (125mm)
Outer Material: 304 Stainless Steel, 0.4mm
Inner Material: 316L Stainless Steel, 0.4mm
Approvals: HETAS, CE, EN1856-1 T600 N1 D V2 L50040 G60
Fuels: Wood, oil, gas, low sulphur coal
Additional Information
FREE Delivery: Available on orders over £100. Click here to check delivery information for your area.
For more wall sleeves and twin wall flue accessories, visit modernstoves.co.uk.
Need help or advice? Ring 0161 439 1400.




