Double-wall 316/304 increase, F200/M150 × M250/F200
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The 316/304 stainless steel double-wall increaser is the insulated fitting that allows you to switch to a larger diameter section within the flue system. Made with 316 stainless steel in contact with the flue gases and 304 on the outer wall, with a 25 mm rock wool cavity, it combines high corrosion resistance with excellent thermal insulation, reducing condensation and keeping surface temperatures safe. In the F130/M80 x M180/F130 format, it allows the flue section to be increased precisely and safely, adapting the system to draft requirements and the various connected appliances. Austenitic steel ensures durability and reliability even under demanding conditions. It is a versatile, sturdy component that is easy to install and fully compatible with the other insulated modules in the range, making it ideal for professional, compliant installations.
Technical features:
- Material: 316/304 stainless steel, double wall
- Insulation: 25 mm thick rock wool cavity
- Size: F130/M80 x M180/F130
- Function: section increaser
- High resistance to corrosion and high temperatures