Specifications
| Material | 304 stainless steel |
|---|---|
| Colour | Grey |
| Finish | Gloss |
| Wall thickness | 30 mm |
| Maximum service temperature | 600°C |
| Thermal resistance | 0.443 m² K/W |
| Temperature class (continuous operation) | T450 and T600 |
| Standard | According to EN 1856-1 |
| Certification | CE 0099-CPR-A71-0001 and 0002 |
| Manufacturer | Bofill |
| Origin | Spain |
| Flue range | Bofill insulated twin-wall flue (30 mm wall thickness) |
| Flue type | Clamps and brackets |
68-200 mm extension for wall bracket - For DPI
304 stainless steel extension for wall bracket, allowing it to be adjusted from 68 to 200 mm from the wall.
It is available for DPI flues from 80 to 150 mm and from 175 to 300 mm in diameter.
Lead time: 2 to 3 weeks
Related products:
👉 This 304 stainless steel extension adjusts the position of the 15-68 mm wall bracket from 68 to 200 mm from the wall. Be sure to select the diameter of your DPI flue when ordering (80 to 150 mm or 175 to 300 mm). Supplied with nuts and bolts.
⚠️ Bofill insulated twin-wall flue accessories may be compatible with other brands of flue provided they have the same internal / external dimensions.
Reminder of the inside and outside diameters of DPI Bofill flues:
Int. 80 mm → Ext. 140 mm
Int. 100 mm → Ext. 160 mm
Int. 125 mm → Ext. 185 mm
Int. 150 mm → Ext. 210 mm
Int. 175 mm → Ext. 235 mm
Int. 200 mm → Ext. 260 mm
In which applications should 316 stainless steel twin-wall insulated (DPI) flues be used?
Bofill modular twin-wall insulated stainless steel flues are multi-fuel:
✅ Flue gas removal from wood stoves, inserts, fireboxes and wood, biomass and pellet boilers
✅ Flue gas removal from natural-draught gas fireboxes and boilers
✅ Flue gas removal from gas and oil boilers for domestic and industrial heating and hot water production.
✅ Hot air generators
What is a DPI Bofill modular flue?
Bofill twin-wall insulated flues are made up of:
➡️ An inner wall in AISI 316L stainless steel, 0.4 mm thick
➡️ An outer wall in AISI 304 stainless steel, 0.4 mm thick
➡️ Rock wool insulation (high density, 150 kg/m³), 30 mm thick
The elements are connected by a 55 mm male/female spigot system and included joining collars that make installation easier and avoid thermal bridges.
























