Rasonic RWH-CT21L Black 21L Rapid Heating Electric Water Heater-Central Type
Citi Exclusive | $150 Instant Off
Interest-Free Installments
The Rasonic RWH-CT21L Rapid Heating Electric Water Heater is a high-performance central type water heater designed for efficient hot water supply. Featuring a powerful 3,000W heating element and a 19-liter stainless steel water tank, this unvented unit delivers rapid heating to 75℃ with a preheat time of approximately 5 minutes to reach 40℃. Its slim black tempered glass design offers a modern aesthetic while optimizing space. Built with durability and safety in mind, it includes multiple protection mechanisms and comes with a 10-year warranty on the stainless steel water tank.
Key Features
- Rapid Heating Technology: Equipped with new rapid heating technology to significantly increase heating speed and efficiency, shortening preheat waiting times.
- 19L Capacity: Provides ample hot water for showering, ensuring a stable and comfortable supply.
- Slim & Stylish Design: Its sleek, space-saving profile with a sophisticated black tempered glass cover integrates seamlessly into modern interiors.
- Intuitive Control: Features an LED temperature display for clear readings and a knob control for precise temperature adjustment.
- Water Efficiency: A built-in flow-restrictor device maintains water flow intensity while reducing overall water consumption.
- Stainless Steel Water Tank: Ensures long-term durability and resistance to corrosion.
- Special Air Pressure Shower Head: Designed for safe, reliable, and durable performance.
Technical Specifications
- Model: RWH-CT21L
- Type: Rapid Heating Unvented Electric Water Heater - Central Type
- Color: Black Tempered Glass
- Rated Power: 3,000W
- Rated Voltage: 220V
- Frequency: 50Hz
- Water Tank Capacity: 19 Litres (Approx.)
- Maximum Water Temperature: 75℃
- Preheat Time: Approx. 5 minutes (to reach 40℃)
- Product Dimensions (W x D x H): 420 x 170 x 655 mm
- Net Weight (Approx.): 17.2 kg
- Full Tank Weight (Approx.): 36.2 kg
- Maximum Water Supply Pressure: 600kPa (6 bar)
- Pipe Connection: 1/2"
- Output Pipe Connection: x 2 (Cold & Hot water supply)
- Waterproof Standard: IPX1
Safety & Durability
- Automatic Temperature Control: Maintains desired water temperature for consistent comfort.
- Pressure & Temperature Relief Valve: Ensures safe operation by releasing excess pressure or temperature (99℃/1,000kPa).
- Overheat Protection: Automatically shuts off if water temperature exceeds 110℃, preventing potential hazards.
- Anti-vacuum Valve Device: Effectively prevents hot water in the tank from siphoning back under abnormal conditions, protecting the water tank and heating element.
- Product Warranty: 1-year warranty.
- Water Tank Warranty: 10-year warranty on the stainless steel water tank.
Specifications are subject to change without prior notice.
The product information above is for reference only; everything is subject to the brand's official website.
Rasonic RWH-CT21L Black 21L Rapid Heating Electric Water Heater-Central Type 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 | |||
|
|
|||
| *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 | |
|
| Installation Schedule | |
|
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 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.
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.
RASONIC 樂信RWH-CT21L Related Products
RASONIC RWH-CT7 WH White 24L Unvented Instant Storage (Hybrid) Water Heater (White Tempered Glass) (Right Flue)
The RASONI..
HK$5,430 Out of stock, expected to arrive in mid-April.
GERMAN WEST GWPU-25SIS 23.2Litres Rapid Fast Flow Electric Water Heater (A2 Right Flue Valve)
The GERMAN..
HK$4,580 HK$2,489
GERMAN POOL GPU-40 151 Litres Central System Storage Water Heater
The German..
HK$8,810 Ask for discount