GERMAN POOL CFX21 Water Heater (3-Phase Power Supply)
Package: 390 x 235 x 145 mm | Warranty Period: 3 year
The GERMAN POOL CFX21 Water Heater is a premium 3-phase instant water heater, meticulously engineered in Germany for superior efficiency and convenience. This compact unit, featuring the advanced IES® bare wire heating system, ensures rapid and continuous hot water supply. With selectable power settings of 18 kW or 21 kW, it delivers reliable performance for diverse domestic hot water demands. Its innovative design is optimized for discreet under-ceiling installation, making it an ideal solution for modern living spaces seeking both functionality and aesthetics.
Key Features
- German Engineering Excellence: Manufactured in Germany, ensuring high standards of quality, reliability, and durability.
- IES® Bare Wire Heating System: Experience instant hot water with exceptional energy efficiency thanks to this advanced heating technology.
- Innovative Space-Saving Design: Perfectly suited for discreet under-ceiling installation, optimizing your living space without compromising performance.
- 3-Phase Full Electronic Power Operation: Provides precise temperature control and contributes to significant energy savings by only heating water as needed.
- Robust Safety Standards: Built with an IP25 water resistance rating and holding VDE, CB, and ISO certifications for peace of mind.
Advanced Wireless Control
The GERMAN POOL CFX21 comes equipped with the convenient FX Wireless Remote Control, offering unparalleled ease of use:
- Remote Temperature Adjustment: Adjust water temperature from anywhere within a 30-meter range.
- Programmable Presets: Utilize two programmable keys for quick selection of your most frequently used preset temperatures.
- Precise Temperature Setting: Set the water temperature precisely between 20°C and 55°C via the remote.
- Clear LCD Display: The remote's LCD panel provides a clear display of the current operating status.
- Compact & Durable Remote: Measures (H) 79 x (W) 120 x (D) 35 mm with an IP20 water resistance rating.
Technical Specifications
- Power Settings: 18 kW | 21 kW
- Voltage: 380 - 415 V (3 Phase Power Supply)
- Electric Current: 23.4 - 28.0 A (at 18 kW) | 28.8 - 31.4 A (at 21 kW)
- Hot Water Flow Rate: 10.7 Litres/minute at 21kW (with 8L/min flow limiter, based on Δt=28K e.g., from 12°C to 40°C)
- Minimum-Maximum Flow Rate: 2-8 L/min
- Required Cable Size: 4 mm²
- Temperature Adjustment Range (Main Unit): 20-60 °C
- Testing Pressure: 10 Bar
- Water Resistance Rating (Main Unit): IP 25
- Main Unit Dimensions: (H) 294 x (W) 177 x (D) 108 mm
- Net Weight: 2.8 kg (unit only) | 3.1 kg (filled with water)
- Colour: White
- Certifications & Standards: VDE/EMC, VDE/GS, CB, ISO
- Country of Origin: Germany
Important Notes
- Warranty Information: Enjoy a 3-year warranty on all parts. For purchases made after November 1, 2015, customers also receive free on-site and parts replacement services for the first year.
- Incoming Water Pressure: Under normal working conditions, incoming water pressure should not exceed 0.6 MPa. If the incoming pressure exceeds this limit, a separate pressure control device is necessary. German Pool will not provide repair services until a suitable pressure control device is installed.
- Specification Changes: Specifications are subject to change without prior notice. Please refer to the Instruction Manual for comprehensive warranty information and detailed operational guidelines.
The product information above is for reference only; everything is subject to the brand's official website.
GERMAN POOL CFX21 Water Heater (3-Phase Power Supply) Review
Installation
| *Water Heater Standard installation fee | |||
| Site inspection(No return) | Ask For Agent | ||
| Instantaneous Water Heater | Ask For Agent | ||
| Shower Unit Storage Water Heater | Ask For Agent | ||
| Central System Storage Water Heater (8 gal or below) | Ask For Agent | ||
| Central System Storage Water Heater (10 gal or above) | Ask For Agent | ||
| Horizontal Installation charge | Ask For Agent | ||
| Uninstall and take away the old machine | Ask For Agent | ||
| *Instantaneous Water Heater Standard installation include: | |||
| a.3ft power cord (Surface wiring) | |||
| b.4ft white plastic coated copper pipe for hot and cold water | |||
| *Shower Unit Storage Water Heater Standard installation include: | |||
| a.10ft power cord (Surface wiring) | |||
| b.4ft white plastic coated copper pipe for hot and cold water & 2 Copper pipe accessories | |||
| *Central System Storage Water Heater Standard installation include: | |||
| a.10ft power cord (Surface wiring) | |||
| b. 3ft white plastic coated copper pipe for hot and cold water & 7 Copper pipe accessories | |||
|
|
|||
| *Water Heater extra fee(For reference only) | |||
| White plastic coated copper pipe for hot and cold water | $30 / ft | ||
| White plastic pipe with drain valve (below 8ft) | $100 | ||
| Copper pipe accessories | $30/ each | ||
| Air Bleed valve | $400 | ||
| Make a new water input | $200 | ||
| Split the electricity from one socket(include the 10ft Power cord) | $800 | ||
| Power cord extension | $20 / ft | ||
| Power cord extension(3-phase*4) | $80 / ft | ||
| Stairs fee | $30 (10steps) | ||
| Installation surcharge for Tung Chung / Ma Wan area | $100 | ||
| Installation surcharge for Discovery Bay area | $400 | ||
| REMARK | |||
| *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. | |||
| 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.














































Extend Product Warranty 
.png)