Rasonic RWH-ST7 Black 24L Rapid Heating Electric Water Heater-Shower type
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The Rasonic RWH-ST7 is a high-efficiency shower-type electric water heater, delivering consistent hot water with its powerful 3,000W heating element and a generous 24-litre capacity. Featuring a sleek black tempered glass design, this unit incorporates a patented rapid heating technology to significantly reduce preheating time. Its slim 19.5cm profile makes it an ideal, space-saving solution for modern bathrooms, while the durable stainless steel tank ensures long-lasting performance.
Efficient Heating, Uninterrupted Comfort
Experience the convenience of on-demand hot water with Rasonic's patented rapid heating technology (Patent No. ZL201410248043.1). This innovative system enhances heating speed and efficiency, shortening your wait time and providing a stable supply of hot water for a comfortable and relaxing shower every time. The clear LED temperature display allows you to see the real-time water temperature at a glance.
Sleek Design for Modern Bathrooms
The RWH-ST7 doesn't just perform well; it looks great too. The stylish black tempered glass cover adds a touch of elegance to any bathroom décor. With a super slim depth of just 19.5 cm, it's designed to save precious space. Installation is made simple and adaptable with flexible cable inlets on both sides of the unit, accommodating various installation environments.
Key Features
- Patented Rapid Heating Technology: Increases heating speed and efficiency for less waiting time.
- 24L Capacity: Ample hot water supply for shower use.
- High Power: 3,000W element for quick heating.
- Slim & Stylish Design: A 19.5 cm slim body with an elegant tempered glass cover.
- LED Temperature Display: Clearly shows the real-time water tank temperature.
- Flexible Installation: Cable inlets on both sides cater to different setups.
- Durable Construction: Features a stainless steel water tank with a 10-year warranty.
- Complete Set: Includes a special shower head, flexible tube, and a cold/hot water mixer.
Product Specifications
- Model: RWH-ST7
- Type: Shower Type
- Water Tank Capacity: 24 Litres
- Rated Power: 3,000 W
- Rated Voltage: 220 V
- Frequency: 50 Hz
- Highest Temperature: 75-80℃
- Water Tank Material: Stainless Steel
- Water Supply Pressure: Max. 600kPa (6 bar)
- Pipe Connection: 1/2"
- Dimensions (W x D x H): 380 x 195 x 690 mm
- Net Weight: 15 kg
- Weight (Full Tank): Approx. 39 kg
- Warranty: 1-Year Full Warranty, 10-Year Warranty on 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-ST7 Black 24L Rapid Heating Electric Water Heater-Shower type Review
Installation
Electric Water Heaters
Standard Installation
| Item | Charge |
|---|---|
| Site inspection (non-refundable) | Installed by agent; charges apply separately |
| Instant type (three-phase or single-phase) | Installed by agent; charges apply separately |
| Shower type | Installed by agent; charges apply separately |
| Pressure type, 6.5 gallons or below | Installed by agent; charges apply separately |
| Pressure type, 10 gallons or above | Installed by agent; charges apply separately |
| Horizontal type | Installed by agent; charges apply separately |
| Remove and dispose of old unit | Installed by agent; charges apply separately |
Standard Installation Scope
| Type | Included |
|---|---|
| Instant type | Includes 3 ft exposed wiring Includes 4 ft plastic-coated hot/cold copper pipe |
| Shower type | Includes 10 ft exposed electrical cable Includes 4 ft plastic-coated hot/cold copper pipe and 2 fittings |
| Pressure type | Includes 10 ft exposed electrical cable Includes 3 ft plastic-coated hot/cold water pipe and 7 fittings |
Electric Water Heater Additional Installation Charges (For Reference Only)
| Item | Charge |
|---|---|
| Plastic-coated hot/cold copper pipe (per ft) | HK$30 |
| White discharge-valve copper pipe (within 8 ft) | HK$100 |
| Copper pipe fitting (each) | HK$30 |
| Pressure reducing valve | HK$400 |
| Add tee water connection if no water inlet is available | HK$200 |
| Install one electrical point (includes 15 ft cable and circuit breaker) | HK$800 |
| Install branched electrical point (includes 10 ft cable) | HK$250 |
| Extend power cable (per ft) | HK$20 |
| Extend power cable (three-phase ×4, per ft) | HK$80 |
| Staircase handling (per floor per item) | HK$30 |
| 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.
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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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100% Official Stock
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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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