RINNAI RJW14SDL LPG Temperature-modulated Superslim Water Heater
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The RINNAI RJW14SDL is an ultra-slim LPG constant temperature water heater featuring a 75mm thin profile and a high-efficiency flow rate of 14 liters per minute. Equipped with advanced digital constant temperature technology, it provides precise control from 35°C to 60°C, making it an ideal space-saving solution for stable hot water supply.
Product Features
- Ultra-Slim Design: With a thickness of only 75mm, it saves installation space and enhances home aesthetics.
- Precise Temperature Control: Digital control system offers 16 temperature levels from 35°C to 60°C.
- ECO Energy Saving: Features a one-touch ECO function to reduce water flow and energy consumption.
- High Hot Water Supply: Delivers 14 liters of hot water per minute (at 25°C temperature rise).
- Safe and Convenient: Automatic ignition with a forced exhaust sealed design ensures operational safety.
- Flexible Remote Options: Supports up to 2 optional wired remote controllers for temperature adjustment in bathrooms and kitchens.
Technical Specifications
- Model: RJW14SDL
- Series: Slim Constant Temperature Series
- Color: White
- Hot Water Supply (25°C temp. rise): 14 L/min
- Temperature Range: 35°C - 60°C
- Gas Consumption (Max-Min): 30.1 (2.15) – 3.8 (0.27) kW(kg/h)
- Power Supply: 220V 50Hz AC
- Flue Type: Forced Exhaust Sealed
- Dimensions (H x W x D): 584 x 350 x 75 mm
- Weight: 15.5 kg
- Min. Operating Water Pressure: 10 kPa
- Pipe Connections (B.S.P): Gas - M28 x 1.5 thread; Water - 1/2" B.S.P
- Warranty: 3-year free warranty for parts
Energy Label Information
- Energy Label Grade: 1
- Place of Manufacture: Japan
- Gas Type: LPG
- Thermal Efficiency (%) (Full Load): 88.7
- Thermal Efficiency (%) (Half Load): 92.3
- Rated Heat Input: 30.1 kW
- Measured Heat Input: 30.7 kW
The product information above is for reference only; everything is subject to the brand's official website.
Customer reviews
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16 reviews
Showing 15 of 16 reviews
Mr. Wong
新屋裝修,廚房位好窄,呢部機身真係夠晒slim,得75mm厚,完全唔阻掟。恆溫功能好好,沖涼唔會再忽冷忽熱,very good。
K. M. Lee
The constant temperature feature is great. However, the remote control is an optional item which feels a bit cheap for this price point. Should be included.
Mrs. Chan
有小朋友最緊要水溫夠穩定,呢部做到,唔怕燙親BB。加咗個浴室遙控,沖涼時想較溫度都好方便。👍
Th********g
It's an okay water heater. Does the job, but nothing particularly outstanding. The ultra-slim profile is its main selling point.
Ah**i
買俾屋企老人家用,操作夠簡單,一教就識。出熱水快,水溫穩定,佢哋話好好用。✨
Mi*******g
幫屋企人換,師傅安裝好快手,送貨都準時。部機白色好簡潔,易襯。
An*****m
Sleek design, works as expected. BBE delivery was on time.
Be****o
Heats up fast and the ECO mode is a nice touch.
Ch******n
Fast delivery thumbs up👍
Lo***m
部爐好薄好慳位👍
Em****g
Temp control so precise!
Ra******u
Super thin space saver
Ma****g
熱水出得快又夠
Ch****i
水溫恆溫好穩定
Ch**o
ECO功能好實用㗎
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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.

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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.
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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 or phone call.
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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.
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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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