Bosch PRA3A6B70X 30CM Built-in Gas Hob
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The Bosch PRA3A6B70X is a Serie | 8 30cm built-in single burner gas hob made in Spain. It features a powerful 5.0kW DualWok burner equipped with patented FlameSelect 9-step power adjustment technology and a high-quality SCHOTT CERAN ceramic glass surface, offering precision and high performance for modern kitchens.
Key Features
- FlameSelect 9-stage Power Control: Provides 9 precisely defined power levels for accurate flame management.
- DualWok Burner: A high-performance 5.0kW burner with independent inner and outer ring control, perfect for both powerful stir-frying and delicate simmering.
- SCHOTT CERAN Ceramic Glass Surface: Smooth, heat-resistant, and scratch-resistant for durability and easy cleaning.
- Dishwasher-safe Pan Supports: Cast iron pan and wok supports are dishwasher-safe for simplified maintenance.
- Sleek Domino Design: Featuring a metal frame for seamless combination with other Bosch Domino series hobs.
- Flame Failure Safety Device: Automatically shuts off gas supply if the flame is accidentally extinguished.
Technical Specifications
- Number of Burners: 1 DualWok burner
- Burner Output: 5.0 kW
- Total Connected Load: 1.1 W (for ignition system, 13A)
- Gas Type: Town Gas (Hong Kong)
- Product Dimensions (W x D): 306 x 527 mm
- Cut-out Dimensions (W x D): 270 x 490 - 500 mm
- Minimum Worktop Thickness: 30 mm
- Place of Manufacture: Spain
Energy Label Information
- Energy Label Grade: 1
- Place Of Manufacture: Spain
- Gas Type: Town Gas
- Type of Cooker: Built-in
- Thermal Efficiency (%): 63.4
- Thermal Efficiency (%) of Burner 1: 63.4
- Measured Heat Input (kW) of Burner 1: 5.0
The product information above is for reference only; everything is subject to the brand's official website.
Popular Comparisons
Customer reviews
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13 reviews
Showing 13 of 13 reviews
K. Y. Lee
新屋裝修,廚房細所以揀咗呢款Domino爐。BBE師傅安裝好快手。個9段火力真係好用,煲湯校細火好穩定。SCHOTT玻璃面好靚,成個kitchen個vibe即刻高級晒。
Mr. Pang
The build quality is solid as expected from Bosch. Flame is powerful. However, it's quite pricey for a single hob. For this price, I expected a bit more. It's good, but not amazing value.
Em******i
Bought this for my parents. The FlameSelect knob is very clear and easy for them to use. The auto gas cut-off feature gives me peace of mind. A great, safe choice.
Je*******u
送貨快。最欣賞個細火,用嚟融朱古力完全唔使用熱水座住,好方便!✨
Be***e
The FlameSelect tech is a game changer. Super precise control. Excellent product.
Un******g
火力夠猛,炒出嚟夠鑊氣!好滿意。👍
No**********g
火力穩定,易清潔,highly recommended
王小姐
爐架入洗碗碟機,正!
Je********g
Good look, fits kitchen. 👍
李小姐
送貨超快,安裝都ok
陳先生
9段火力超實用!
Ch*****e
Ceran top cleans easy.
Em********g
Powerful dual burner.
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Installation
Gas Hobs
Standard Installation Charges
| Item | Charge |
|---|---|
| Built-in hob / domino hob (30 cm wide) | HK$500 |
| Table-top hob | HK$350 |
| Freestanding cooker | HK$780 |
| Remove old unit during installation (excluding freestanding cooker) | HK$100 |
| Dispose of old unit (excluding freestanding cooker) | HK$100 |
| Site inspection (non-refundable; not available on Saturdays) | HK$200 |
| Standalone removal of gas hob (excluding freestanding cooker) | HK$150 |
| Cut engineered stone, first cut | HK$400 |
| Cut engineered stone, two cuts | HK$550 |
| Cut marble / quartz, first cut | HK$550 |
| Cut marble / quartz, second cut | HK$850 |
| Stainless steel flange | Quote required |
| Staircase fee (per floor) | HK$30 |
| Discovery Bay installation surcharge (per order) | HK$450 |
| Tung Chung installation surcharge (per order) | HK$100 |
| Park Island installation surcharge (per order) | HK$100 |
| Hong Kong Island installation surcharge (per order) | HK$50 |
Note: Standard installation includes gas hose connection (one 76 cm flexible hose included) and electrical connection.
Delivery Charges
Basic Delivery
| Item | Charge |
|---|---|
| Delivery (per item) | HK$100 |
| Tung Chung, Ma Wan and Discovery Bay surcharge (per delivery) | HK$100 |
| Carrying distance to delivery location exceeds 100 m | Additional charges apply |
Note: Charges may differ if delivery is arranged by an agent. Please contact us for details.
Staircase Handling
Except for village houses, where 14 steps count as one floor, other buildings count 10 steps as one floor. The first 5 steps are free of charge.
| Item | Charge |
|---|---|
| General appliances | HK$30 / item / floor |
| Window AC, 3/4 HP to 1 HP | HK$30 / item / floor |
| Window AC, 1.5 HP to 2.5 HP | HK$50 / item / floor |
| Window AC, 3 HP or above | To be discussed |
| Split AC, refrigerator, washing machine | HK$50 / item / floor |
| Built-in oven, steam oven, chimney hood, built-in / freestanding dishwasher | HK$50 / item / floor |
Note: Charges may differ if delivery is arranged by an agent. Please contact us for details.
General Notes
- The above installation fees are quoted for work handled by BBE’s appointed contractor / appointed registered electrical contractor.
- Charges may differ if delivery/installation is handled by other agents or contractors. Please contact us for details.
- A compliant power supply must be provided by the customer near the appliance.
- Items not listed in this fee schedule must be discussed with the technician.
- The installation location must be confirmed by the customer. Relocation or reinstallation after installation at the customer’s request will be quoted separately.
- Installation schedule: Hong Kong Island (Tue, Thu, Sat); Kowloon (Mon to Sat); New Territories (Mon to Sat).
- Delivery coverage excludes outlying islands, restricted areas and overseas locations.
- Delivery or installation is generally arranged during office hours. For non-office hours such as evenings or public holidays, please check feasibility in advance.
Why us?
Why Choose BBE?
The trusted choice for more than 300,000 households in Hong Kong. We focus on exceptional quality, professional guidance, and a more peace-of-mind shopping experience.

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All appliances are official products from the Hong Kong authorised distributors. Enjoy at least one-year manufacturer warranty and a 7-day replacement guarantee for faulty items, for added peace of mind after purchase.
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