Description
Adjustable Pipe 350–500mm Twin Wall 5″ (125mm) – Convesa KC, HETAS & CE Approved
The Adjustable Pipe 350–500mm Twin Wall (5 inch/125mm, internal diameter) offers flexible length adjustment for your twin wall flue system. Suitable for all solid fuel, gas, and oil appliances, this pipe ensures safe and compliant installations.
Why Choose the Adjustable Pipe?
Manufactured from 304 grade stainless steel (outer) and 316 grade stainless steel (inner), both 0.4mm thick, and insulated with compressed rockwool at 128kg/m³ density for superior safety. Fully welded construction ensures long-lasting durability. HETAS and CE approved, fully compliant with EN1856-1 standards. Maintain a 60mm clearance to combustibles for safe installation.
Key Features
Adjustable Length: 350–500mm for flexible installation
Durable Construction: 304/316 stainless steel, fully welded, 0.4mm thick
Insulation: Compressed rockwool, 128kg/m³
Certified & Approved: HETAS approved, CE marked, EN1856-1 compliant
System: Convesa KC Twin Wall
Safe Installation: Maintain 60mm clearance to combustibles
Product Specifications
Type: Adjustable Twin Wall Pipe
Adjustment Range: 350–500mm
Internal Diameter: 5 inch (125mm)
Outer Material: 304 Stainless Steel, 0.4mm
Inner Material: 316L Stainless Steel, 0.4mm
Insulation: Compressed rockwool, 128kg/m³
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 adjustable pipes and twin wall flue accessories, visit modernstoves.co.uk.
Need help or advice? Ring 0161 439 1400.




