Standard Rain Cap Twin Flue (6 Inch) – TWPro
£49.99
In stock
In stock
To use , please spend more than £50
Description
Standard Rain Cap Twin Flue (6 Inch) – TWPro, Stainless Steel, HETAS & UKCA Approved
The Standard Rain Cap Twin Flue (6 inch) TWPro, designed for exclusive use with the TWPro FitSystem, provides effective rain protection and minimises water ingress directly into the flue outlet. With super-easy assembly and embedded locking bands for a seamless finish, this high-quality terminal is ideal for all solid fuel, gas, and oil appliances.
Why Choose the Standard Rain Cap Twin Flue?
Manufactured from 304 grade stainless steel (outer) and 316 grade stainless steel (inner), both 0.4mm thick, and insulated with high-density compressed rockwool, this fully welded cap is built for reliability and performance. HETAS approved and UKCA marked, it’s tested to 600°C and comes with a 25-year warranty. Suitable for use with wood, pellets, coal, gas, oil, and condensing appliances.
Key Features
Rain Protection: Minimises water ingress into the flue
TWPro FitSystem: Embedded locking bands for a smooth, secure fit
Super Easy Assembly: No protrusions between sections
Durable Construction: 304/316 stainless steel, fully welded
Certified & Approved: HETAS approved, UKCA marked, EN1856-1 compliant
High Temperature Resistance: Safe up to 600°C
Warranty: 25 years (conditional), 2 years on paint
System: For use only with TWPro Twin Wall Flue parts
Product Specifications
Type: Standard Rain Cap
Internal Diameter: 6 inch (150mm)
External Diameter: 8 inch (200mm)
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. Check delivery information for your area.
For more rain caps and twin wall flue accessories, visit modernstoves.co.uk.
Need help or advice? Ring 0161 439 1400.





