The Vaillant 303911 45° Flue Bends (Pack of 2) provide essential flexibility for ecoTEC boiler flue installations, enabling horizontal and vertical flue runs to navigate obstacles in tight spaces. Constructed from durable polypropylene, these high-temperature resistant bends maintain system efficiency while ensuring compliance with condensing boiler installation requirements.
Key Features:
– Pair of 45° bends for maximum flue routing flexibility
– 60/100mm concentric polypropylene construction for condensing boilers
– Compatible with all Vaillant ecoTEC HE, Pro, Plus and Sustain ranges
– Simple push-fit connection system for rapid installation
– High-temperature resistant material for long-term reliability
– Reduces maximum flue length by 0.5m per bend (per manufacturer guidelines)
– White finish blends with standard boiler installations
Product Specifications
| Specification | Value |
|---|---|
| Manufacturer Part Number (MPN) | 303911 |
| Brand | Vaillant |
| Product Type | 45° Flue Bend (Pair) |
| Flue Diameter | 60/100mm Concentric |
| Material | Polypropylene (PP) |
| Angle | 45 Degrees |
| Pack Quantity | 2 Bends |
| Colour | White |
| Compatibility | ecoTEC HE, Pro, Plus, Sustain Boilers |
| Flue Length Deduction | 0.5m per bend |







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