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Gorenje GT 15 O

Photos - Boiler Gorenje GT 15 O
Outdated Product
Type: storage; Energy source: mains; Tank volume (L): 15; Power source: 230 V; Power consumption (W): 2000; Magnesium anode; Heating elements: 1; wet heater; thermostat; overheat protection; frost protection; Pipe connection: bottom; Dimensions (cm): 50x35x31;
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Gorenje GT 15 O
Main
Typestorage / closed storage water heater of small displacement /
Energy sourcemains
Installationvertical
Tank volume15 L
Tank shaperectangular
Technical specs
Power source230 V
Energy efficiency classA
Power consumption2000 W
Max. water temperature75 °C
Tank liningenamel
Water supplywith pressure
Heating time33 min / at ∆t=65°С /
Magnesium anode
Heating elements1
Heating element typewet heater
Features
Functionsthermostat
Safety systemsoverheat protection
frost protection
General specs
Controlsmechanical
Controls layoutfront
Pipe connectionbottom
Tank manufacturer's warranty5 years
Dimensions (HxWxD)50x35x31 cm
Weight11 kg
Added to E-CatalogJune 2006
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Gorenje 2026 - new arrivals, bestsellers, and the most relevant models Gorenje.
Model overview based on user reviews  
The Gorenje GT boiler series offers compact and stylish water heaters with fast heating capabilities, making them ideal for kitchens or areas with limited space. Users appreciate the quick heating speed and elegant design, with some models heating water to 75 degrees in just over 20 minutes. However, there are concerns about the lack of a thermometer, which can lead to overheating risks, and some users have reported issues with leaking tanks and faulty valves. The warranty conditions require regular maintenance, which can be inconvenient and costly. Despite these issues, many users find the boilers reliable for short-term use, though some have experienced significant defects. Overall, the Gorenje GT series is praised for its efficiency and design but criticized for its durability and maintenance requirements.
Pros

Cons

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good model, like it
11 February 2010 
high power and small volume and who the husband is not bad, I mean small, dimensions. Can be easily stuck into the bathroom, for example, where space is limited. I would say it would be suitable for a kitchen or a bathtub for a shower, where not constant use of hot water is required. For example, in areas with intermittent hot water.
thermostat, fast, heating. Small in size, but that's just on the outside; inside it's a real "beast."
relatively small volume. If used continuously, there may not be enough water.
m1just bought Gorenje GT 15 U
a model with serious flaws
25 February 2014 
I have experience using two Gorenje water heaters. One is 60 liters, the other is 100 liters. The tank of the first one started leaking within the first year of use, and it was replaced under warranty at the store, after hassles with the service centers. The tank of the second one leaked exactly after two years. There is supposedly a warranty, but it's tricky - to keep it valid, it turns out you need to take the tank off the wall every 18 months and take it to a service center for maintenance. Transport and maintenance are at the owner's expense, averaging 380 UAH. If you haven't done this, there's no warranty! Either deal with the hassle and pay, or buy a new one each time. People, don't buy water heaters from this brand, it's just a money trap.
will work for some time after purchase, but how long depends on your luck
the tanks are bursting!!!
use Gorenje GT 15 U month or more i recommend it don't buy
Ultra-fast mini boiler, perfect for the kitchen
23 May 2016 
A month ago, I installed this little one in the kitchen. To say my wife is happy is an understatement. Its capacity is small, but it heats up very quickly. So even if all ten liters are used up, it's not a problem. After all, in just fifteen minutes, the next ten liters will be ready.
Compact body, stylish exterior. It seems simple, yet with impeccable taste. Even the light glossy plastic looks neat and festive. A two-kilowatt heating element with a 10-liter capacity provides very high specific power. It's no surprise that water heats to 50 degrees in less than 10 minutes, and after 20 minutes the temperature reaches 75, prompting the thermostat to shut off the heating. It's quite heavy for its volume, indicating significant wall thickness of the steel storage tank. It has decent insulation and can maintain the water temperature in the tank for a long time. Manufactured in the European Union, in Slovenia, so no concerns about the build quality. An unprecedented 60-month warranty in today's times.
Due to the lack of a thermometer, I almost scalded my hands in the first week of using it. I thought my wife had used all the hot water, and the fresh water in the boiler hadn't heated up properly yet. It turned out the water was over 70 degrees, and only my quick reaction prevented a burn. After that, we just set the thermostat to heat the water to 55-60 degrees. It's still quite hot, but at least it doesn't scald immediately. Having a thermometer would make it safer.
3 out of 12 user review(s) shown
9 more user review(s)
Additional features water heater Gorenje GT 15 O:
  • Water connection — G 1/2
  • The amount of mixed water at 40 °C — 27 liters
  • Working pressure — 9 bar
  • Average insulation thickness — 30 mm
  • Degree of protection against moisture — IP 24
  • AC — 8 A