Rinnai RSW120TFL 12L/min LP Gas Water Heater & Top Flue
Citi Exclusive | $150 Instant Off
Interest-Free Installments
The Rinnai RSW120TFL is a highly efficient 12L/min LP Gas Water Heater designed for reliable and consistent hot water supply. As part of Rinnai's Temperature-modulated Series, this compact unit offers precise temperature control and energy-saving performance. With dimensions of 675mm (H) x 370mm (W) x 130mm (D), it features a Fan Assisted Room-sealed Design for enhanced safety and optimal combustion. Its maximum gas consumption is 98.3 MJ/hr (27.3 kW), ensuring powerful heating capabilities while maintaining a compact footprint.
Key Features
- Temperature-Modulated Series: Provides stable and precise hot water temperature, adapting to changing demand and water flow.
- 12 Litres/Minute Capacity: Delivers a generous supply of hot water, suitable for various household needs with a 25°C temperature rise.
- LP Gas Compatibility: Engineered for efficient operation with Liquefied Petroleum Gas.
- Fan Assisted Room-Sealed Design: Enhances safety by drawing combustion air from outside and expelling flue gases externally, preventing carbon monoxide leakage into living spaces.
- Compact Dimensions: Space-saving design (675 x 370 x 130 mm) allows for flexible installation in various residential settings.
- Remote Control Capability: Supports up to two remote controls for convenient temperature adjustment from different locations.
- Robust Construction: Weighing 15 kg, this unit is built for durability and long-term performance.
Technical Specifications
- Model: RSW120TFL
- Dimensions (Unit, H x W x D):
- mm: 675 x 370 x 130
- inch: 26.6 x 14.6 x 5.1
- Flue Type: Fan Assisted Room-sealed Design
- Permitted No. of Remote Controls: 2
- Dimensions Of Remote Control(s) (H x W x D):
- mm: 110 x 86 x 18.5
- inch: 4.3 x 3.4 x 0.7
- Max./Min. Gas Consumption:
- MJ/hr: 98.3 - 15.8
- kW: 27.3 - 4.4
- Hot Water Supply (25°C Temp. Rise): 12 litres/min
- Maximum Water Temperature Setting: 60°C
- Water Heater Pipe Connection (B.S.P):
- Gas: 1/2''
- Cold Water: 1/2''
- Hot Water: 1/2''
- Min. Differential Operating Water Pressure:
- lb: 10
- p.s.i: 1.5
- Weight:
- kg: 15
- lb: 33
- Electric Supply: 220V a.c. (50Hz)
- Colour and Material: White
The product information above is for reference only; everything is subject to the brand's official website.
Rinnai RSW120TFL 12L/min LP Gas Water Heater & Top Flue Review
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.









