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Rasonic RWH-N10RF(L)-B 10L Instantaneous LPG Gas Water Heater (Back-flue) (Black Matte)
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The Rasonic RWH-N10RF(L)-B is a 10-liter constant temperature instant gas water heater designed for modern homes, combining a Japanese brand CPU with a slim smoky black exterior for precise temperature control and an efficient bathing experience.
Main Features
- Intelligent Constant Temperature: Built-in Japanese brand CPU ensures precise water temperature control to eliminate fluctuations.
- High-Efficiency Heating: Features a maximum rated heat load of 22 kW, providing instant hot water and reducing wait times.
- Stable Hot Water Supply: Delivers up to 10 liters of hot water per minute (at 25°C temp rise) to meet continuous household demands.
- Slim and Stylish Design: With a depth of only 145 to 150 mm and a smoky black finish, it saves installation space and looks elegant.
- Multiple Safety Protections: Equipped with a rear flue design, continuous pulse ignition, overheat protection, anti-dry burn, and flame failure safety device.
Energy Label Information
- Energy Label Grade: 1
- Place of Manufacture: China
- Gas Type: LPG
- Thermal Efficiency (100% Load Condition): 91.8%
- Thermal Efficiency (50% Load Condition): 93.4%
- Rated Heat Input: 22.0 kW
- Measured Heat Input: 20.5 kW
Product Specifications
- Model: RWH-N10RF(L)-B
- Color: Smoky Black
- Gas Type: LPG
- Flue Type: Rear Flue
- Hot Water Supply (25°C temp rise): 10 L/min
- Hot Water Supply (40°C temp rise): 6.25 L/min
- Minimum Rated Heat Load: 5.8 kW
- Minimum Operating Water Pressure: 20 kPa
- Hot Water Temperature Range: 35°C - 60°C
- Dimensions (H x W x D): 565 x 360 x 150 mm
- Net Weight: 13 kg
- Power Supply: AC 220V ~50Hz
- Power Consumption: 25W
- Ignition Method: Continuous Pulse Ignition
Warranty Information
This product is an original manufacturer's item with a 3-year full warranty. For warranty terms and conditions, please refer to the "Instructions for Use and Installation".
The product information above is for reference only; everything is subject to the brand's official website.
Customer reviews
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48 reviews
Showing 15 of 48 reviews
Em*****o
Had a few questions about installation in my old building. The BBE customer service on WhatsApp was very patient and professional, confirming all the specs for me. The heater itself works perfectly. A very reassuring purchase experience.
Mr. Ho
The temperature is stable and the design is nice. My only complaint is the digital display for the temperature is a bit small and not very bright. Hard to see without my glasses on. Otherwise, it's a decent machine for the price.
Je***a
We renovated our bathroom with a dark, minimalist theme and this heater was the perfect find. The smoky black colour and slim profile look so high-end and sleek. It totally elevates the space. Function-wise, it's flawless.
Pe*****m
BBE送貨安裝一條龍服務好方便。新屋入伙買俾屋企人用，個恆溫真係冇得頂，小朋友沖涼唔會再咋咋跳話水喉忽冷忽熱。10L出水量夠我地一家四口用，好滿意。
Ja******m
Bought this purely for the design. The smoky black finish and slim 145mm depth are perfect for my minimalist bathroom. It performs as expected, but the aesthetic is the real winner here.
Mr. Wong
換咗呢部機一個月，恆溫真係好好多。最驚喜係見到張煤氣單，數字真係細咗。佢個智慧節能mode應該真係work。BBE送貨都好準時，整體滿意。
T. S. Mak
Installation was rescheduled, a bit inconvenient. The heater works fine, temp is stable. Not sure about the "smart energy-saving" part, seems like just a standard heater. It's okay.
Mrs. Pang
終於唔使再扭左扭右調校水溫！以前舊嗰部成日驚整親。呢部一開就係要嘅溫度，冬天沖涼舒服好多！個仔幫我上BBE訂，好方便。😊👍
Ah**i
住唐樓水壓比較細，擔心唔夠力推。好彩BBE有寫明最低水壓要求。師傅裝完試過完全冇問題，出水好穩定，終於唔使再就住就住沖涼。
Al****e
幫屋企人換，BBE安排嘅師傅好pro，裝得好快手。最緊要係有熄火安全裝置同過熱保護，老人家用都安心好多。恆溫亦都好準，唔錯。
Mrs. Wong
打上CS問過背出式安裝問題先買，解答得好清楚。部機比舊式嗰啲好好多，開住廚房水喉都唔會搶水，水溫仲係好定！幾好。😊
Er*****n
Very impressed with the temperature stability. The Japanese CPU isn't just a gimmick; it holds the temp rock-steady even with pressure changes. A solid piece of tech.
K. F. Leung
約咗師傅上嚟裝，好準時，手勢純熟又快手，裝完仲幫手清走晒啲垃圾，順便教埋點用。服務一流，部機出熱水夠快夠定。
Ke****a
研究咗好耐，見佢用日本CPU，恆溫控制喺±1℃。用落果然冇失望，水溫好stable。以呢個價錢有咁嘅performance，CP值超高。✨
W. K. Chiu
The checkout process on BBE was smooth. This heater is perfect for my morning rush. Truly instant hot water, no more waiting around. A great upgrade.
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Installation
Gas Water Heaters
Standard Installation Charges
| Item | Charge |
|---|---|
| Install gas water heater | HK$650 |
| Remove and dispose of old unit during installation | HK$100 |
| Site inspection (non-refundable; not available on Saturdays) | HK$200 |
| Standalone removal of gas water heater | HK$200 |
| Staircase fee (per floor) | HK$30 |
| Discovery Bay installation surcharge (per order) | HK$450 |
| Tung Chung installation surcharge (per order) | HK$100 |
| Park Island installation surcharge (per order) | HK$100 |
| Hong Kong Island installation surcharge (per order) | HK$50 |
Note: Standard installation includes gas hose, water pipe and electrical connections. Standard installation applies to residential customers only.
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.
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.
Mong KokCauseway BayTuen Mun
100% Official StockNo parallel imports · Clear warranty coverage
All appliances are official products from the Hong Kong authorised distributors. Enjoy at least one-year manufacturer warranty and a 7-day replacement guarantee for faulty items, for added peace of mind after purchase.
Real Customer Service · Dedicated Follow-upOrder 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 or phone call.
1-to-1 Expert ConsultationInstant 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.
Award-WinningRecognized 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 InstallationOne-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.
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