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Rasonic RWH-ST5W White 20L Rapid Heating Electric Water Heater-Shower type

Rasonic RWH-ST5W White 20L Rapid Heating Electric Water Heater-Shower type

(4) 5 reviews 100+ purchased Gift Points $18

    FPS/Bank Transfer/Cash
  • HK$4,280
  • HK$3,578

Discounted price for other payments HK$3,689

Extend Product Warranty

Extends your appliance warranty for additional years after the original warranty period ends. Includes free on-site inspection, repair, and one-for-one replacement services. Learn More

+1 year(s)
$ 328
+2 year(s)
$ 458
+3 year(s)
$ 678
No Extended Warranty

Size 380 x 168 x 690 mm Warranty Period 1 Year

The Rasonic RWH-ST5W is a rapid heating electric water heater designed for efficient shower use. With a 20-litre capacity and a powerful 3,000W heating element, it delivers a stable supply of hot water quickly. Its durable stainless steel tank is housed within a slim, 16.8 cm body featuring a stylish white tempered glass cover, making it a functional and aesthetic addition to any modern bathroom.

Efficient Heating and Modern Convenience

  • Patented Rapid Heating: Features innovative technology (Patent No. ZL201410248043.1) that significantly increases heating speed and efficiency, reducing preheat waiting times.
  • Slim & Stylish Design: A super-slim 16.8 cm depth saves valuable space, while the elegant white tempered glass front adds a touch of modern style.
  • Clear Temperature Display: The intuitive LED display clearly shows the real-time water temperature in the tank, allowing for easy monitoring.
  • Flexible Installation: Designed with cable inlets on both sides of the unit to accommodate various installation environments and layouts.
  • Complete Set: Comes with a special shower head, a flexible tube, and a cold/hot water mixer for a complete out-of-the-box solution.

Product Specifications

  • Model: RWH-ST5W
  • Type: Shower Type
  • Rated Power: 3,000 W
  • Rated Voltage: 220V ~ 50Hz
  • Water Tank Capacity: 20 Litres
  • Highest Temperature: 75-80℃
  • Water Tank Material: Stainless Steel
  • Dimensions (W x D x H): 380 x 168 x 690 mm
  • Net Weight: Approx. 13 kg
  • Weight (Full Tank): Approx. 33 kg
  • Pipe Connection: G 1/2"
  • Maximum Water Supply Pressure: 600 kPa (6 bar)

Warranty Information

This product comes with a 1-year manufacturer warranty. The stainless steel water tank is covered by a 10-year warranty.

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-ST5W White 20L Rapid Heating Electric Water Heater-Shower type Review

Mi*********g 23/08/2024

Easy to assemble, can be done by one person. The quality of the parts is good, and the cost performance is high. 👍

Co*****o 24/02/2025

呢個花灑儲水電熱水爐好實惠。Staff好有耐性同埋專業。

Wi*******n 11/02/2025

呢款電熱水爐係我裝修嘅首選,好滿意!Staff服務好好。

Pa**********g 27/01/2025

唔使等耐,水溫即時。冇噪音,好適合日常使用。

Ma*****u 22/01/2025

體積輕巧,方便安裝。性能穩定,用落好順暢。

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
  • Delivery: $100 per item
    a) Additional charge for Tung Chung, Ma Wan & Discovery Bay: $100 each job 
  • Additional Stair Charge for Delivery (Except village house will charge $50 for each level, All apartment or building will charge $50 for each 10 steps, below 5 steps free of charge)
    a) General appliances: $30 each
    b) Window type air conditioner: 3/4HP to 1HP $30 each, 1.5HP to 2.5HP $50 each, 3HP or above require discussion separately
    c) Split type air conditioner, refrigerator, washing machine: $50 each
  • d) Built-in oven , Built-in Steam oven,Chimney Type Hood: $50 each
  • Walking distance more than 100m : Extra fee
 
Installation Schedule
  • **Installation fee table above quote is the designated contractor responsible for BBE**
  • *Such as by other agents or other contractors deilvery fee/installation fee will be different. For more information, please contact our inquiry
  • Hong Kong Island (Tue,Thu,Sat) Kowloon (Mon to Sat) N.T. (Mon to Sat)

 

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.

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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.

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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