Shower Type Storage Water Heater

German Pool combines German technology, Japan Grade-A stainless steel, and a French temperature control system to create the GPN Series Shower Type Storage Water Heater. Paired with a water- and energy-saving aerated showerhead, it’s your eco-friendly, flexible, and convenient heating solution.

Certified with 2025 New Grade 1 Energy Efficiency Label

The all-new German Pool V Series Storage Water Heaters feature a high-efficiency heating system and injected polyurethane foam insulation to keep water hot longer, minimize heat loss, and maximize energy savings. Certified with the stringent EMSD 2025 Grade 1 Energy Label, ensuring superior energy efficiency.

Excellent Performance with Incredible Durability

Heavy Gauge Stainless Steel Inner Tank

The Japanese heavy gauge stainless steel inner tank ensures an operation free of rust, corrosion, deformity and leakage.

High Thermal Efficiency

The prime quality stainless steel heating element with built-in thermal cut-out ensures maximum thermal efficiency and safety.

Stable Temperature

The quality thermostat automatically controls temperature for consistent heat and energy savings, with settings up to 75°C.d save energy. Temperature can be set to as high as 75°C.

Constant Water Pressure

The operation is not affected by water pressure. Hot water can be provided as long as there is a supply of cold water.

Water & Energy Saving Aerated Showerhead

Tailor-made for Rapid Fast Flow Electric Water Heaters, the new water-saving aerator showerhead cuts water use by up to 70% compared to traditional 6-gallon heaters. Its innovative Air Jet Compression Technology delivers a powerful 8L/min flow, ensuring a longer, more comfortable shower without compromise.

Unique Aerator Switch

Air is drawn through the air hole to boost water pressure, delivering a comfortable shower while reducing water consumption.

Air Jet Compression Technology

The innovative Air Jet Compression Technology delivers showering comfort comparable to a massaging jet at 8L/min.

Adjustable Showerhead Holder

The flexible holder can be adjusted in different angles, allowing easy placement.

25-Year Warranty

All GPN Series water heaters include a quality passport with a 25-year(1) inner tank warranty and a 1-year warranty on electrical parts.

Notes (1)

Economical & Energy Saving

Pollution Free

The water heater produces no gas pollutants during the water heating process. Its operation is absolutely free of toxic substances and colour.

Energy Saving

The injected polyurethane foam provides maximum insulation to the water tank. Also, GPU water heaters are compliant with the “Grade 1 Energy Efficient Label” (specified models only).

Safe & Reliable

To prevent electricity leakage, the water heater comes with an earthing system and all electrical parts are insulated. The drip-proof and splash-proof design also ensure safety.

Accessories

A variety of standard mixers and shower sets are available for your selection. The mixing taps and shower sets supplied together with the GPN-V units are particularly designed for open-outlet water heater and are different from the others available in the market. Do not use accessories other than those supplied by the original manufacturer.
Single Lever Mixer
The design allows you to select hot or cold water conveniently with a single lever and is space-saving.
Plug-In Type Water-Saving Aerator Shower Head
Plug-in shower hose set is supported by a base with a neat and space-saving design.
Slide Bar Type Water-Saving Aerator Shower Head
The shower head position is easily adjustable along the vertical slide bar, which is fitted with a soap holder.
Thermometer
Thermometer displays the temperature of hot water for convenient monitoring.

Specifications
Information
Functions & Features
WiFi Connection
Others
Warranty Term
1-Year Warranty (Whole Unit)
Warranty Term (Additional)
Inner Tank 25 Years*
Remarks
* The inner tank warranty only applies to the replacement of inner tanks of storage water heaters. Additional service charges on testing, transportation and labour may apply. The 25-year inner tank warranty service is only applicable to products with a purchase date on or after 1 March 2026, as stated on the invoice or official receipt.

More Details

Brochure
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Manual
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Printable Page
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FAQ

What is the new grading standards of energy efficiency? Are German Pool water heaters graded by new standards or not?
The new grading standards will be effective on 30/9/25, and will be stricter than old ones. German Pool storage water heaters (V Series) have already been rated Grade 1 under the 2025 grading standards. Consumers can purchase them without worries.
There is leakage from my Storage Water Heater (Shower Unit). How to fix it?
Check the location of leakage and make adjustments or repair depending on the situation.
There is no hot water supply from Storage Water Heater (Shower Unit) after water shortage. Why?
Water in tank will flow away along pipe during water shortage.
There is no hot water supply. What should I do?
Check if the electric box and Power Switch (Cooker Switch) are operating normally.
Why the water comes out cold and hot from my Storage Water Heater (Shower Unit)?
Abnormal pressure of incoming water.
Why is there water dripping from the shower head?
GPN (Shower Unit Type) Water Heater releases its internal heat and pressure through its shower head. When steam passes through the shower head with cooler air, it will form water drops.
How to make my water heater last longer?
Avoid boiling water without interval. Adjust the Thermostat to 2 1/2. To stabilize water pressure, pressure regulator can be installed.
My water heater works perfectly during summer time. However, when winter comes or whenever the tempe
We normally want our running water to be hotter during cold weather. Higher water temperature implies more electric power is needed.
When should I install the Pressure Reducing Valve?
The installation of Pressure Reducing Valve is suggested when water pressure is higher than 72.5 pounds.
Is it able to replace the inner core if there is leaking of Mixer? How much?
The black mixel model is to be replaced in whole. It costs $60 for water heater with silver Knob Mixer.
MORE FAQ

Note:

(1) The inner tank warranty only applies to the replacement of inner tanks of storage water heaters. Additional service charges on testing, transportation and labour may apply. The 25-year inner tank warranty service is only applicable to products with a purchase date on or after 1 March 2026, as stated on the invoice or official receipt.

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Series price of GPN V

Installation and additional fees are not included. Please check “Installation Fees for more details.

GPN-4E-V TD

HK $2,400

GPN-4E-V TM

HK $2,580

GPN-4E-V TDS

HK $2,580

GPN-4E-V TMS

HK $2,760

GPN-6E-V TD

HK $2,970

GPN-6E-V TM

HK $3,150

GPN-6E-V TDS

HK $3,150

GPN-6E-V TMS

HK $3,330