This Sflue 4″ (100mm) – 5″ (125mm) Increasing Adaptor To Twin Wall flue pipe allows the connection of a 4″ Single Walled flue pipe to a 5″ Twin Wall flue pipe.
Dimensions A:30mm O.D.:97mm
- Distance to Combustibles: 50mm
- Warranty: 10 years
- Finish: Black
- Internal TW Diameter: 127mm
- External TW Diameter: 178mm
- Connections: Eight Barb Twist Quick Lock (Locking Band Included)
- Grade of Steel: 316 Internal, 304 External
- Thickness of Steel: 0.5mm
- Insulation: 25mm auger injected mineral wood material
- Temperature Resistance: 450°C
- Approvals: HETAS Approved, CE, BS EN ISO 9001
- Designation No: BS EN:1856-1 T450 N1 D Vm L50040 G50
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