TGC RJW20SN(WM) 20L/min Temperature-modulated Superslim Underbench Gas Water Heater
Citi Exclusive | $150 Instant Off
Interest-Free Installments
Remote Control: H120 x W90 x D18 mm Warranty Period Permanent (parts covered for the first 3 years) EMSD Info
The TGC RJW20SN(WM) 20L/min Slim Concealed Gas Water Heater features an ultra-slim 75mm body design, specifically crafted for concealed installation in modern homes to maximize space while providing a stable, thermostatic shower experience.
Product Features
- Ultra-Slim Design: With a body thickness of only 75mm, it is designed for concealed installation to enhance aesthetics and home space.
- Precise Temperature Control: Features a 16-level digital thermostatic system with settings from 35°C to 60°C to ensure consistent water temperature.
- Flexible Temperature Adjustment: Water temperature can be set as low as 35°C to meet different seasonal needs.
- ECO Energy Saving Mode: One-touch activation reduces water flow for energy-saving and environmental benefits.
- Automatic Ignition: Fully automatic ignition design ensures simple and direct operation.
- Wired Remote Included: Comes with one wired remote for instant temperature control in the bathroom, with support for up to 3 remotes.
Product Specifications
- Series: Concealed Water Heater Series
- Overall Dimensions: H 405 x W 350 x D 75 mm
- Hot Water Supply (25°C Temperature Rise): 20 L/min
- Gas Consumption (Max - Min): 161.3 (44.8) – 13.7 (3.8) MJ/hr (kW)
- Weight: 16.5 kg
- Power Supply: 220V 50Hz AC
- Exhaust Method: Forced Exhaust Balanced Flue
- Maximum Temperature Setting: 60°C
- Pipe Connection (B.S.P): Cold Water 1/2", Hot Water 1/2"
- Minimum Operating Water Pressure: 10 kPa / 1.5 p.s.i
Energy Label Information
- Energy Efficiency Grade: 1
- Country of Origin: Japan
- Gas Type: Town Gas
- Thermal Efficiency (Full Load): 91.9%
- Thermal Efficiency (Half Load): 94.3%
- Rated Thermal Load (kW): 44.8
- Measured Thermal Load (kW): 48.2
Important Information
- Free Services: Includes free standard installation and delivery services.
- Warranty: Includes free permanent warranty (first 3 years includes parts).
The product information above is for reference only; everything is subject to the brand's official website.
TGC RJW20SN(WM) 20L/min Temperature-modulated Superslim Underbench Gas Water Heater Review
Installation
All installation job are covered by BBE's insurance policy, including Third Party Liability Insurance & Employees' Compensation Insurance (issued by Zurich Insurance Hong Kong).
| Gas Water Heater Standard Installation Fee | |||
| Gas Water heater | $650 | ||
| Gas Water Heater standard installation include: a. Connect Gas pipe b. Connect Electricity c. Connect Water pipe Dismantle & disposal the old heater charge $100 |
|||
| Gas Water Heater Extra Fee List | |||
| Site inspection (monday~friday) (No return) | $200 | ||
| Only dismantle & disposal the old heater | $150 | ||
| Stairs fee | $30 | ||
| Installation surcharge for Tung Chung / Ma Wan area | $150/$100 | ||
| Installation surcharge for Discovery Bay area | $450 | ||
| Installation surcharge for Hong Kong Island | $50 | ||
| REMARK | |||
| **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 | |||
| 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. | |||
|
Standard installation is only applicable to residential user. No installation for shops, offices, factories and commercial clients |
|||
| Delivery | |
|
| Installation Schedule | |
|
Why us?
Why Choose BBE?
The trusted choice of over 100,000 Hong Kong families, dedicated to delivering excellence in quality and service.
Visit our flagship stores in Mong Kok, Causeway Bay, and Tuen Mun to experience over 1,000 appliances from Europe, the US, and Japan. Our consultants are ready to provide expert installation advice.
Awarded store with nearly 30,000 authentic reviews. We guarantee transparent and competitive pricing.
Get instant professional support via WhatsApp. From spec comparisons to dimension queries and installation questions, our expert team provides immediate answers.
No parallel imports! All appliances are official Hong Kong distributor stock, coming with at least a 1-year original manufacturer warranty and a 7-day defective replacement guarantee.
Our service quality is recognized by the industry and top brands alike. We have been honored with the Towngas TGC Sales Gold Award and Daikin’s Diamond Dealer status, alongside prestigious partner and distributor awards from Gree, Carrier, and Philips Smart Lock.
Our site uses SSL encryption and supports various e-payments. We offer one-stop professional delivery and installation services for a worry-free experience.

















































/side-banner-900x150-41-.jpg)
/side-banner-900x150-39-.jpg)