The Midtherm HTS 45° Elbow in Black is a high performance insulated flue component engineered for medium to high temperature chimney systems. Designed to divert the flue route at a controlled angle, it enables clean, compliant changes in direction without compromising structural integrity or draft performance. Suitable for residential, commercial, and industrial environments, it supports installations using solid fuel, multi fuel, gas, oil, or biomass appliances.
Constructed with a 0.5mm 316L stainless steel inner liner and a 0.5mm 304 stainless steel outer casing, both with welded seams, the elbow offers exceptional strength and long term durability. Its 25mm layer of high density mineral wool insulation ensures efficient heat retention and safe operation across demanding conditions. The powder coated black finish provides a refined, contemporary appearance that integrates seamlessly with modern flue systems.
The 45° elbow uses a push fit socket and spigot system with a locking band, enabling fast, secure installation and a clean visual transition between components. It is stocked in 130mm and 150mm diameters, with additional sizes from 100mm to 300mm available on request. Rated for continuous operating temperatures up to 450°C and certified to Class 1 Twin Wall standards, it includes a 20 year warranty when installed and registered correctly.
Features and Benefits
- 316L stainless steel inner liner for enhanced durability
- 304 stainless steel outer casing for robust protection
- 25mm high density insulation for thermal efficiency
- Push fit joint with locking band for quick, secure assembly
- Powder coated black or stainless steel finish options
- High temperature resistance up to 450°C
- Available in a wide range of diameters
- 20 year warranty with registered installation






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