Description
Bosch Adapter Duct 150mm Round-Flat HEZ9VDSI0
Bosch Adapter Duct 150mm Round-Flat HEZ9VDSI0
Key Features
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SEAMLESS DUCTING CONVERSION: Precision-engineered adapter transitions flat ducting elements (222 x 89 mm) into standard male round ducting (Ø 150 mm), ensuring optimal airflow for venting hobs and extractor hoods.
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AERODYNAMICALLY OPTIMIZED: Designed to minimize air resistance and turbulence, keeping your downdraft induction hob or extractor system operating at peak extraction performance and reduced noise levels.
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OFFICIAL BSH ORIGINAL ACCESSORY: Fully compliant with BSH Group specifications (Siemens, Bosch, Neff, Gaggenau) for a guaranteed leak-free, tight-seal fit without requiring specialized tools.
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PREMIUM FLAME-RETARDANT MATERIAL: Built from high-grade, durable plastic engineered to meet strict building safety standards and resist temperature fluctuations.
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EASY PLUG-AND-PLAY INSTALLATION: Features integrated connecting sleeves for straightforward insertion into existing flat and round duct channels during kitchen ductwork assembly.
Product Description
Essential Ducting Adapter for Venting Hobs & Hoods
The Siemens HEZ9VDSI0 Adapter is a vital component for installing downdraft induction hobs, venting cooktops, and kitchen extraction systems. When space constraints or wall cutouts require transitioning from flat rectangular ducting to standard round pipe channels, this genuine adapter delivers a airtight connection.
Engineered for Quiet & Powerful Airflow
Improper duct transitions can throttle extraction rates and create noise. The internal design of the HEZ9VDSI0 features smooth aerodynamic contouring that guides air efficiently from a 222×89 mm flat profile into a 150 mm round duct channel, preserving your appliance’s extraction power while maintaining quiet operation.
Technical Specifications
| Feature | Specification Details |
| Brand / Manufacturer | BSH Group (Siemens / Bosch / Neff) |
| Part Number / Model | HEZ9VDSI0 |
| Alternative Part Numbers | Z9904X0 (Neff) / VVZ42UL0 (Viva) / 17005349 |
| Input Connection | Female Flat Duct (222 x 89 mm) |
| Output Connection | Male Round Pipe (Ø 152.5 mm / 150 mm nominal) |
| Overall Length | 206 mm |
| Material | High-performance flame-retardant plastic |
| Colour | Black |
| Compatibility | Venting hobs, downdraft extractors, wall chimneys |
Compatibility Checklist
This adapter is compatible with BSH venting hob system accessories requiring transitions to 150mm round piping:
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Siemens InductionAir Plus / Venting Hobs
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Bosch AccentLine & Series Venting Hobs
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Neff Venting Cooktops (Cross-reference: Neff Z9904X0)
