 
													
| Double wall. | ||||||
|---|---|---|---|---|---|---|
| Temperature | Pressure | Condensate | Corrosion | Flue liner material specification | Sootfire | Minimum distance to combustible material | 
| T200max 200 °C | P1200 Pa | WWet utilization | VmCorrosion class | L11100Aluminium | ONo resistance | 3030 mm | 
| T200max 200 °C | P1200 Pa | WWet utilization | V2Corrosion class | L99150Aluminium | ONo resistance | 3030 mm |