STIEBEL ELTRON HDB-E12Si Instantaneous Water Heater (3-Phase Power Supply)
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The STIEBEL ELTRON HDB-E12Si Instantaneous Water Heater is a high-performance, electronically controlled unit engineered for efficient and immediate hot water supply. Operating on a 3-phase power supply, this compact water heater provides robust performance with power ratings of 10.7 kW (at 400V) or 9.7 kW (at 380V). Its bare wire heating system, encased in pressure-tested copper, ensures rapid heating and long-term durability. Equipped with advanced electronic safety features, the HDB-E12Si offers reliable and safe operation for a variety of applications.
Key Features
- **Instantaneous Hot Water:** Provides immediate hot water with flow rates ranging from 5.6 to 12.3 litres per minute (model dependent).
- **Electronic Control:** Features precise electronic control for consistent temperature management, up to 55℃.
- **Efficient Heating System:** Utilizes a bare wire heating system with a pressure-tested copper casing for rapid heat-up times and enhanced longevity.
- **Advanced Safety:** Incorporates a comprehensive electronic safety system with air detection and a temperature cut-off device for reliable protection.
- **Durable Design:** Built with a robust construction, ensuring a long operational lifespan.
- **High Protection Level:** Certified with IP25 protection, making it hoseproof and resistant to splashing water.
- **Compact & Lightweight:** Space-saving design with dimensions of 470 x 225 x 117 mm and a weight of just 3.6 kg, allowing for flexible installation.
- **Centralized Outlet Applications:** Ideal for supplying hot water to multiple outlets from a single unit.
- **Optional Remote Control:** Compatible with a wired comfort remote control (optional accessory) for convenient temperature adjustment.
Technical Specifications
- **Model:** HDB-E12Si
- **Power Rating:** 10.7 kW (400V) / 9.7 kW (380V)
- **Power Supply:** 3-Phase
- **Hot Water Flow Rate:** 5.6 – 12.3 l/min (model dependent)
- **Minimum Flow Rate:** ≥2.3 l/min
- **Maximum Temperature Adjustment:** 55℃
- **Working Pressure:** 10 Bar
- **Pipe Size:** 15mm (G1/2″)
- **Protection Level:** IP25 (Hoseproof)
- **Weight:** 3.6 kg
- **Control Unit:** Electronic Control
- **Heating System:** Bare wire heating system
- **Safety Features:** Electronic safety system with air detection, Electronic safety system with temperature cut-off device
- **Outlet Applications:** Centralized
- **Dimensions (H x W x D):** 470 x 225 x 117 mm
The product information above is for reference only; everything is subject to the brand's official website.
STIEBEL ELTRON HDB-E12Si Instantaneous Water Heater (3-Phase Power Supply) Review
Installation
| *Water Heater Standard installation fee | |||
| Site inspection(No return) | Ask For Agent | ||
| Instantaneous Water Heater | Ask For Agent | ||
| Shower Unit Storage Water Heater | Ask For Agent | ||
| Central System Storage Water Heater (8 gal or below) | Ask For Agent | ||
| Central System Storage Water Heater (10 gal or above) | Ask For Agent | ||
| Horizontal Installation charge | Ask For Agent | ||
| Uninstall and take away the old machine | Ask For Agent | ||
| *Instantaneous Water Heater Standard installation include: | |||
| a.3ft power cord (Surface wiring) | |||
| b.4ft white plastic coated copper pipe for hot and cold water | |||
| *Shower Unit Storage Water Heater Standard installation include: | |||
| a.10ft power cord (Surface wiring) | |||
| b.4ft white plastic coated copper pipe for hot and cold water & 2 Copper pipe accessories | |||
| *Central System Storage Water Heater Standard installation include: | |||
| a.10ft power cord (Surface wiring) | |||
| b. 3ft white plastic coated copper pipe for hot and cold water & 7 Copper pipe accessories | |||
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| *Water Heater extra fee(For reference only) | |||
| White plastic coated copper pipe for hot and cold water | $30 / ft | ||
| White plastic pipe with drain valve (below 8ft) | $100 | ||
| Copper pipe accessories | $30/ each | ||
| Air Bleed valve | $400 | ||
| Make a new water input | $200 | ||
| Split the electricity from one socket(include the 10ft Power cord) | $800 | ||
| Power cord extension | $20 / ft | ||
| Power cord extension(3-phase*4) | $80 / ft | ||
| Stairs fee | $30 (10steps) | ||
| Installation surcharge for Tung Chung / Ma Wan area | $100 | ||
| Installation surcharge for Discovery Bay area | $400 | ||
| REMARK | |||
| *Other agents or other contractors deilvery fee/installation fee will be different. For more information, please contact our inquiry | |||
| Standard power socket be provlded by customer | |||
| If extra installation fee is not in the installation list,need to quote. | |||
| Location of installation are decided by customer.Any re-location after installation shall be subjected to extra charge. | |||
| Delivery | |
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| Installation Schedule | |
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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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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.
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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 anytime.
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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.
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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.
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