GAGGENAU BO420/BO421 Built-in Combi-Steam Oven
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Interest-Free Installments
The GAGGENAU BO420/BO421 Built-in Combi-Steam Oven series, specifically models BS484 and BS485, offers unparalleled versatility and precision for modern kitchens. This premium 76 cm wide appliance integrates seamlessly into your cabinetry, providing a net volume of 43 litres. Achieving an Energy Efficiency Class A, it is designed for efficiency and high performance. With a fixed inlet and outlet water connection, this combi-steam oven masters a wide range of cooking methods, from precise steaming and baking to simmering, braising, regenerating, juice extracting, grilling, and browning, ensuring perfect results every time.
Key Features
- Handleless door with automatic opening for effortless access.
- Fixed inlet and outlet water connection ensures continuous operation.
- Combines hot air (30 °C to 230 °C) with five humidity levels (0%, 30%, 60%, 80% or 100%).
- Full surface grill (2000 W) located behind glass ceramic for easy cleaning, combinable with circulated air up to 230 °C and steam.
- Intuitive TFT touch display for clear navigation and control.
- Sleek, panel-free appliance design with surface control module.
- Steaming functionality operates without pressure, preserving food nutrients and texture.
- Electronic temperature control from 30 °C to 230 °C for precise cooking.
- Removable core temperature probe with automatic shut-off for perfect cooking results.
- Net volume of 43 litres provides ample cooking space.
- Achieves Energy efficiency class A, promoting energy savings.
- Hygienic stainless steel cooking interior for durability and easy cleaning.
- Four tray levels offer flexible cooking configurations.
- 48 W halogen light on the side illuminates the oven interior.
Versatile Heating Methods
Explore a wide array of cooking possibilities with multiple heating methods:
- Hot air + 100% humidity
- Hot air + 80% humidity
- Hot air + 60% humidity
- Hot air + 30% humidity
- Hot air + 0% humidity
- Full surface grill + circulated air
- Full surface grill
- Full surface grill level 1 + humidity
- Full surface grill level 2 + humidity
- Dough proofing
- Defrosting
- Regenerating
- Low temperature cooking
Intuitive Handling & Control
- Automatic door opening enhances user convenience.
- Seamless operation via rotary knob and TFT touch display.
- Clear text display available in 25 languages for global usability.
- Option to save individual recipes, including core temperature probe settings.
- Information key provides useful indicators for various functions.
- Side-opening door offers a wide 180° angle for easy loading and unloading.
Advanced Functions
- Steam removal feature helps manage humidity.
- Misting function for specific cooking needs.
- Actual temperature display for precise monitoring.
- Comprehensive timer functions: cooking time, cooking time end, timer, stopwatch, and long-term timer.
- Electronic boiling point detection for accurate steaming.
- Capacity display for filter cartridge (if connected to GF 111 100 descaling system).
Safety Features
- Child lock for household safety.
- Automatic safety shut-off for peace of mind.
- Cooled housing with temperature protection ensures external surfaces remain safe to touch.
Effortless Cleaning & Maintenance
- Dedicated cleaning aid programme.
- Drying programme to maintain interior hygiene.
- Descaling aid for optimal performance and longevity.
- Dishwasher-safe grease filter for convenient cleaning.
Technical Specifications & Installation
- Total connected load: 2.9 kW.
- Requires only cold water connection.
- Inlet hose: 3.0 m with 3/4" (26.4 mm) connection.
- Outlet hose: Ø 25 mm, 3.0 m (HT-Hose).
- Connection cable planning is required for installation.
- Appliance Dimensions:H455 x W752 x D535 (mm)
- Built-in Dimensions:H450 x W724 x D550 (mm)
Warranty
One Year Warranty
The product information above is for reference only; everything is subject to the brand's official website.
GAGGENAU BO420/BO421 Built-in Combi-Steam Oven Review
Installation
Built-in Kitchen Appliances
Standard Installation Charges
| Item | Charge |
|---|---|
| Site inspection (non-refundable) | HK$200 |
| Built-in electric hob | HK$500 |
| Built-in oven | HK$500 |
| Built-in disinfection cabinet | HK$500 |
| Built-in microwave oven | HK$500 |
| Built-in warming drawer | HK$500 |
| Built-in washing machine | HK$500 |
| Built-in dishwasher | HK$500 |
| Wall-mounted disinfection cabinet | HK$500 |
| Built-in refrigerator | HK$780 |
| Remove old unit during installation – built-in electric hob | HK$100 |
| Remove old unit during installation – built-in oven / warming drawer / washing machine / dishwasher / disinfection cabinet | HK$200 |
| Remove old unit during installation – built-in refrigerator | HK$250 |
| Dispose of old unit – built-in electric hob | HK$200 |
| Dispose of old unit – built-in oven / warming drawer / washing machine / dishwasher / disinfection cabinet | HK$200 |
| Dispose of old unit – built-in refrigerator | HK$200 |
| If the cut-out is too wide, wooden strips must be added to secure screw positions | HK$100 |
| Tung Chung and Ma Wan installation surcharge (per order) | HK$100 |
| Discovery Bay installation surcharge (per order): 3 units or fewer | HK$300 |
| Discovery Bay installation surcharge (per order): more than 3 units | HK$600 |
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.
Multiple Large Showrooms
Experience in person · Compare on the spot
Visit our flagship showrooms in Mong Kok, Causeway Bay, and Tuen Mun. Explore more than 1,000 European, American, and Japanese kitchen appliances, and get on-site recommendations from professional advisors for selection and installation.
Real Customer Service · Dedicated Follow-up
Order confirmation · Peace of mind follow-up
Each order is handled by a dedicated team who contacts and confirms details to ensure smooth delivery and installation. You can also reach real customer service via WhatsApp or phone call.
1-to-1 Expert Consultation
Instant support · Professional answers
Get real-time professional support via WhatsApp. Whether you need help comparing appliance specifications, checking dimensions, or answering installation questions, our expert team will respond promptly.
100% Official Stock
No parallel imports · Clear warranty coverage
All appliances are official products from the Hong Kong总代理. Enjoy at least one-year manufacturer warranty and a 7-day replacement guarantee for faulty items, for added peace of mind after purchase.
Award-Winning
Recognized by brands · Valued service
Our service quality is recognized by the industry and top brands. We have received the TGC Sales Gold Award from the Gas Company and Daikin’s Diamond-level “Daikin Star” honor, along with multiple partner awards and distributor recognitions.
Safe Shopping · Professional Installation
One-stop service · More peace of mind
Our website uses SSL encryption, supports multiple electronic payment methods, and provides a one-stop professional delivery and installation service, making the entire shopping process more convenient and reassuring.















































