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| Storage Water Heater |
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Central System Water Heater |
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Ten-Year Warranty for Inner Tank
5-Tier Safety Device
Heavy gauge stainless steel inner tank
Multi-point application
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| Cylindrical - Vertical Type |
Cylindrical - Vertical Type
[Ext. Thermostat Box] |
Rectangular - Vertical Type
(15 gal or below) |
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| Cylindrical-Horizontal Type |
Cylindrical-Horizontal Type
[Ext. Thermostat Box] |
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Cylindrical-Vertical Type
[Ext. Thermostat Box] |
Cylindrical-Horizontal Type |
Cylindrical-Horizontal Type
[Ext. Thermostat Box] |
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| With over 20 years of experience in distributing and manufacturing water heating systems in Hong Kong, German Pool brings in the engineering technology from Germany and develops the renowned . GPU water heaters conform to the Standards of International Electrotechnical Commission (IEC Standards) and comply with international safety standards and waterworks regulations. In addition, this series was awarded “1st Class Energy Efficiency Label” by the Hong Kong Electrical and Mechanical Services Department and “Safety Mark (S-Mark)” by the Hong Kong Safety Institute Ltd. |
Stainless Steel Inner Tank
Heavy gauge stainless steel inner tank assembled by high-frequency welding technology ensures a rust-, corrosion-, deformity- and leak-free operation.
High Efficiency
Heating element is entirely immersed under water to directly conduct heat energy to water and reduce heat loss. The injected polyurethane foam can provide maximum insulation to water tank. Also, GPU water heaters are awarded "1st Class Energy Efficiency Label". Their energy efficiency is guaranteed.
Stable Temperature
GPU is equipped with thermostatic control which ensures constant water temperature at all time. No ignition is required.
Constant Water Pressure
The operation is not affected by the pressure of water supply. Hot water can be provided as long as there is cold water supply. |
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10-Year Warranty
Each water heater is provided with a quality passport with 10-year guarantee for the inner tank and 1-year guarantee for electrical parts.
Multi-Point Application
GPU Central Water Heating System is capable of connecting to multiple outlets (e.g. bath tub, shower, bathroom sink, kitchen sink, etc.) with one unit.
Pollution-Free Environment
GPU produces no gas pollutants during water heating process. Its operation is absolutely free of toxic substances and odour.
Safe & Reliable Operation
Throughout the design process of the GPU Series, user's safety was German Pool’s top concern. The water heaters are completely electricity-powered, which means they present no risk of gas leakage. In addition to a neutral terminal, each water heater is equipped with a built-in "5-Tier Safety Device” to ensure absolute safety and reliability. |
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2,820 |  | |
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 1st Tier - Automatic Thermostatic Control
Temperature can be adjusted according to user's preference (max. 75±3°C) with the French-made Thermostat. When the desired water temperature is reached, electricity would be cut off automatically; once the water temperature drops below the desired temperature, power will be connected again.
2nd Tier - Thermal Cut-Out
The built-in French-made Thermal Cut-Out is set at 82°C. If water temperature reaches 82°C, power would be cut off automatically, and Thermostat should be checked up by an authorized technician.
3rd Tier - Temperature Relief Valve
When water temperature reaches 90°C, water will be released through the Temperature Relief Valve which is made in Italy. This helps to prevent steam accumulation caused by continuous heating of water within the inner tank.
4th Tier - Pressure Relief Valve
Normal working pressure is set at 1,000 kPa (10 bar). Under unusual circumstances, the inner tank may be subjected to excess pressure. GPU can automatically release pressure through the built-in Italian-made Pressure Relief Valve.
5th Tier - Anti-Back Syphon Device
In order to prevent heated water from being syphoned back to supply pipe during water shortage period, GPU’s Anti-Back Syphon Device constantly keeps water tank fully filled. This can effectively protect inner tank from being damaged and the heating element from dry-heating. |
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| Inner Tank Material |
Constructed of Japanese heavy gauge stainless steel, specially made for high temperature and pressure applications. It is durable and free of rust, corrosion, deformity and hassle. |
| Thermal Insulation |
Maximum thermal insulation is achieved by high-density polyurethane foam injection moulded or by a 2” thick fibreglass blanket between the inner tank and outside casing. |
| Heating Element |
Prime quality stainless steel heating element from Germany ensures maximum thermal efficiency even in places where different voltage applies. |
| Water Supply Source |
Main supply or water tank supply. |
| Water Supply Pressure |
500 kPa (5 bar)或以下。 |
| Test Pressure |
2,000 kPa (20 bar)。 |
| Temperature Relief |
When water temperature reaches 90°C, water will be released through the Temperature Relief Valve. |
| Thermostat |
High sensitivity thermostat imported from France. Water temperature can be conveniently adjusted up to 75°C. |
| Water Resistance |
IPX4 |
| Certifications |
Comply with: EN 60335-2-21:2002 5 th + am1 Aug. 2004
Hong Kong Electrical Products (Safety) Regulation. |
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| Model |
GPU-3.5 | GPU-6.5 | GPU-10 | GPU-15 | GPU-20 | GPU-25 |
| Capacity: Water Storage |
3.5 gal / 13 L |
6.5 gal / 25 L |
10 gal / 38 L |
15 gal / 57 L |
20 gal / 76 L |
25 gal / 95 L |
| Voltage |
220 V |
220 V |
220 V (1 PE)
380 V (3 PE) |
220 V (1 PE)
380 V (3 PE) |
220 V (1 PE)
380 V (3 PE) |
220 V (1 PE)
380 V (3 PE) |
| Power |
2 kW |
3 kW
4 kW |
3 kW
4 kW
6 kW |
3 kW
4 kW
6 kW
9 kW |
3 kW
4 kW
6 kW
9 kW |
3 kW
4 kW
6 kW
9 kW |
| Power Supply |
1 PE |
1 PE |
1 PE |
1 PE / 3 PE |
1 PE / 3 PE |
1 PE / 3 PE |
| Electric Current |
9.0 A |
13.6 A
18.2 A |
13.6 A
18.2 A
9.1 A |
13.6 A
18.2 A
9.1 A
13.6 A |
13.6 A
18.2 A
9.1 A
13.6 A |
13.6 A
18.2 A
9.1 A
13.6 A |
| Colour |
White |
White |
White |
White |
White |
White |
| Dimensions: Cylindrical Type |
(H) 450 mm
(Ø) 305 mm |
(H) 660 mm
(Ø) 305 mm |
(H) 700 mm
(Ø) 356 mm |
(H) 720 mm
(Ø) 432 mm |
(H) 880 mm
(Ø) 432 mm |
(H) 1050 mm
(Ø) 432 mm |
| Dimensions: Cylindrical Type – Ext. Thermostat Box |
(H) 380 mm
(Ø) 305 mm |
(H) 600 mm
(Ø) 305 mm |
(H) 650 mm
(Ø) 356 mm |
(H) 650 mm
(Ø) 432 mm |
(H) 820 mm
(Ø) 432 mm |
(H) 980 mm
(Ø) 432 mm |
| Dimensions: Rectangular Type |
(H) 450 mm
(W) 305 mm
(D) 305 mm |
(H) 660 mm
(W) 305 mm
(D) 305 mm |
(H) 700 mm
(W) 356 mm
(D) 356 mm |
(H) 720 mm
(W) 432 mm
(D) 432 mm |
N/A |
N/A |
| Packing Dimensions: Cylindrical Type |
(H) 525 mm
(W) 360 mm
(D) 360 mm |
(H) 725 mm
(W) 350 mm
(D) 350 mm |
(H) 770 mm
(W) 405 mm
(D) 405 mm |
(H) 790 mm
(W) 500 mm
(D) 500 mm |
(H) 950 mm
(W) 500 mm
(D) 500 mm |
(H) 1120 mm
(W) 500 mm
(D) 500 mm |
| Packing Dimensions: Cylindrical Type – Ext. Thermostat Box |
(H) 440 mm
(W) 360 mm
(D) 360 mm |
(H) 675 mm
(W) 350 mm
(D) 350 mm |
(H) 710 mm
(W) 405 mm
(D) 405 mm |
(H) 720 mm
(W) 500 mm
(D) 500 mm |
(H) 890 mm
(W) 500 mm
(D) 500 mm |
(H) 1050 mm
(W) 500 mm
(D) 500 mm |
| Packing Dimensions: Rectangular Type |
(H) 365 mm
(W) 525 mm
(D) 365 mm |
(H) 365 mm
(W) 725 mm
(D) 365 mm |
(H) 415 mm
(W) 765 mm
(D) 405 mm |
(H) 475 mm
(W) 790 mm
(D) 490 mm |
N/A |
N/A |
| Wall-Mount Vertical |
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| Wall-Mount Horizontal* |
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| Floor-Mount Vertical |
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| Floor-Mount Horizontal* |
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| Net Weight |
7 kg |
9.5 kg |
13.8 kg |
18.5 kg |
22 kg |
25.5 kg |
| Weight: Full Tank |
20 kg |
34.5 kg |
51.8 kg |
75.5 kg |
98 kg |
120.5 kg |
| Certification / Standard |
EN 60335-2-21:2002 5 th + am1 Aug. 2004 |
| Patent Registration |
HK1032330 |
HK1032330 |
HK1032330 |
HK1032330 |
HK1032330 |
HK1032330 |
| Energy Efficiency Class |
1st Class |
1st Class |
1st Class |
1st Class |
1st Class |
N/A |
| Warranty Term |
1 Year (10 Years on Inner Tank) |
| Price | HK$ 3,525 up | HK$ 3,750 up | HK$ 4,815 up | HK$ 5,690 up | HK$ 6,690 up | HK$ 6,920 up
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| Specifications are subject to change without prior notice.
Please refer to the Instruction Manual for Warranty Information. |
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| German Pool Kitchen Cabinetry & Home Appliance Centre, German Pool Kitchen Cabinetry Showroom,Yata, Chung Yuen, Broadway, Fortness, Gome and major electrical appliance outlets |
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