Stiebel Eltron DHB-21STi 21000W Electronic Control Water Heater
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The Stiebel Eltron DHB-21STi 21000W Electronic Control Water Heater is an advanced solution for instantaneous hot water supply, representing a compelling entry into the comfort class. This 21kW electronic instantaneous water heater is engineered for precision, offering consistent hot water temperature and high energy efficiency. Crafted with a bare wire heating system, it ensures rapid heating and reliable performance, making it a durable and efficient addition to any modern home.
Key Features & Benefits
- Precise Temperature Control: Features three-stage temperature pre-selection, allowing users to choose between approximately 35℃, 45℃, and 55℃ for tailored comfort. The thermotronic electronic control ensures the pre-selected DHW temperature is always maintained, preventing fluctuations.
- Energy Efficiency: Designed for optimal energy consumption, the DHB-21STi saves up to 20% energy compared to traditional cylinder systems, contributing to lower utility bills.
- Enhanced Safety: Includes a child-proof system and an electronic safety system with air detection and temperature cut-off devices. Anti-scalding protection is set to 43℃ for added peace of mind.
- Rapid Installation: Utilizes the Profi-Rapid® system for quick and straightforward installation.
- Versatile Water Compatibility: Suitable for use with both hard and soft water conditions.
- Durable Design: Features a bare wire heating system and is hoseproof to IP25, ensuring longevity and reliability in a bathroom environment.
Technical Specifications
- Model: DHB 21 STi
- Power Rating: 21 kW (at 400V), 19 kW (at 380V)
- Dimensions (H/W/D): 470 x 225 x 110 mm
- Temperature Range: 35℃, 45℃, 55℃
- Working Pressure: 10 Bar
- Starting Volume: ≧3L
- Protection Level: IP25
- Inlet Size: 15mm (G1/2″)
- Weight: 3.6 kg
- Control Unit: Electronic Control
- Unit Type: Centralized
- Heating System: Bare wire heating system
- Safety Systems: Electronic air detection system, Electronic safety system with temperature cut-off device
Additional Information
- Comfort Wired Remote Control (optional) - Model: FB1LCD
- Manufactured in Germany.
- Comes with a 2-year warranty.
- *Energy savings compared to hydraulic instantaneous water heaters; subject to pattern of use.
The product information above is for reference only; everything is subject to the brand's official website.
Stiebel Eltron DHB-21STi 21000W Electronic Control Water Heater 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.
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
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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.
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.
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