Storage Water Heater
Shower Type Water Heater
    Storage Up To
  • 1st Class Energy Efficiency Label
  • Built-In Single-Lever Mixer
  • German-made Heating Element & Thermometer
  • Works With All Incoming Water Pressures

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Frequently Asked Questions
User's Manual
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  • Descriptions

German Pool "GPN" Series Shower Unit Water Heaters are the result of a few decades' experience of professional engineers through continuous testing and improvement. "GPN" Series employes advanced production technology from Germany conforming to Standards of International Electrotechnical Commission (IEC Standards). The series also complies with safety standards and waterworks regulations worldwide.

GPN Shower Unit Water Heaters are specially designed for hot water applications in compact households, office and commercial spaces where bath tub is not available. The major characteristic of the series is its compact size. The GPN units employ open-outlet operation whereby the inner tank is connected with the atmosphere at all times. No excess pressure or temperature will accumulate in the inner tank which helps to ensure absolute safety.

  • 1st class energy efficiency label
  • Built-in single-lever mixer
  • German-made heating element & thermometer
2,540and up

  • Quality Guarantee
10 Year Warranty
All GPN series water heaters come with a quality passport with 10-year warranty for the inner tank and 1-year warranty for electrical parts.
Q-Mark Certifications
GPN series*is audited by the Hong Kong Q-Mark Council and certified by Hong Kong Q-Mark Product Scheme. (License No. E116)
* Certified models:
GPN-2, GPN-4, GPN-6, GPNB-5
  • Specifications
Model # GPNB-5
Sub-model #
GPNB-503 GPNB-504
Capacity: Water Storage 5 gal / 18 L
Voltage 220 V / 50 Hz
Power
3 kW 4 kW
Power Supply (1 Phase / 3 Phase) 1 PE
Electric Current
13.6 A 18.2 A
Working Pressure 0 Bar / 0 MPa
Testing Pressure 5 Bar / 0.5 MPa
Colour White
Type of Mixer Single Lever (T)
Type of Outlet Plug-In Type (D)
Swivel Outlet N/A
Thermometer Included (S)
Dimensions (H) 560 (W) 330 (D) 250 mm
Packing Dimensions (H) 307 (W) 620 (D) 373 mm
Net Weight 11.1 kg
Net Weight: Full Tank 28.84 kg
Gross Weight With Packing 12.4 kg
Energy Efficiency Class 1st Class
Certification / Standard CCC , LVD
IEC 60335-2-21
GB4706.1 , GB4706.12
Warranty Term 1 Year (Inner Tank 10 Years)
Specifications are subject to change without prior notice. Please refer to the Instruction Manual for Warranty Information.