The Midtherm HTS Intermediate Wall Support is a robust, load-bearing solution designed to provide secure intermediate support for your twin wall flue system. Supplied complete with a support plate and collar, it is set as standard 50mm from the wall and offers adjustable extensions—75mm for 100mm diameter and 100mm for larger diameters—ensuring flexible installation to suit your project requirements. For additional adjustments up to 300mm, our office can provide tailored solutions.
Crafted from premium 0.5mm 316 2B stainless steel inner and 0.5mm 304 BA outer, this support combines superior strength with long-lasting corrosion resistance. Its precision engineering, laser-welded seams, and machine-formed joints guarantee a consistent, reliable connection, while maintaining a sleek, modern aesthetic. Designed to withstand demanding conditions, it is ideal for both residential and commercial installations.
Compatible with a wide range of fuels—including wood, multifuel, gas, oil, biomass, and pellets—this intermediate wall support is certified for operating temperatures up to 450°C and has a 4-hour fire rating. CE-certified, manufactured under ISO 9001 standards, and produced by a HETAS-registered company, it delivers peace of mind and compliance with Class 1 Twin Wall standards.
Features & Benefits
- Load-Bearing Support: Provides stable intermediate flue attachment.
- Premium Stainless Steel: 316 inner and 304 outer for durability.
- Adjustable Design: 50mm standard with 75–100mm extension, customisable up to 300mm.
- High-Temperature Rated: Safe up to 450°C with 4-hour fire rating.
- Modern Finish: Sleek stainless steel aesthetic.
- Versatile Fuel Compatibility: Wood, multifuel, gas, oil, biomass, pellets.
- Reliable Installation: Laser-welded seams and machine-formed joints.





Reviews
There are no reviews yet.