Gorenje TGRK 100 NG
![]() | Outdated Product High-quality combined storage boiler with a capacity of 100 liters from one of the leading European manufacturers of domestic water heaters. It is positioned as a product of the middle price category in 2016, designed for vertical wall mounting. In addition to heating water with two submersible heating elements (2x1000 W), powered by household power, the water heater can be operated in combination with a heating system (during the heating season) or connected to solar collectors (during the summer). The surface area of the built-in tubular spiral heat exchanger, through which the heated coolant is passed, is 40 sq.dm, and this is enough to transfer an impressive heat output of up to 10.55 kW. In the off-season, when the heating system is inactive, the Gorenje TGRK 100 NG water heater prepa...res hot water thanks to two traditional heating elements. Heating from 10 to 55 °C takes 3 hours and 20 minutes. The inner surface of a durable steel tank is coated with a special heat-resistant enamel and additionally protected from corrosion by an enlarged magnesium anode. An important advantage of this model is reinforced polyurethane foam thermal insulation up to 42 mm thick. E-Catalog uses affiliate links compensated by our partners. |
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High-quality combined storage boiler with a capacity of 100 liters from one of the leading European manufacturers of domestic water heaters. It is positioned as a product of the middle price category in 2016, designed for vertical wall mounting. In addition to heating water with two submersible heating elements (2x1000 W), powered by household power, the water heater can be operated in combination with a heating system (during the heating season) or connected to solar collectors (during the summer).
The surface area of the built-in tubular spiral heat exchanger, through which the heated coolant is passed, is 40 sq.dm, and this is enough to transfer an impressive heat output of up to 10.55 kW. In the off-season, when the heating system is inactive, the Gorenje TGRK 100 NG water heater prepares hot water thanks to two traditional heating elements. Heating from 10 to 55 °C takes 3 hours and 20 minutes. The inner surface of a durable steel tank is coated with a special heat-resistant enamel and additionally protected from corrosion by an enlarged magnesium anode. An important advantage of this model is reinforced polyurethane foam thermal insulation up to 42 mm thick.
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.


Last year, in summer, I decided to radically upgrade my home heating system and completely stop using gas. The gas boiler was successfully replaced with a solid fuel one, which primarily uses wood as fuel (luckily there's a forest nearby, so they can be bought relatively cheaply). However, the hot water issue turned out to be more complex. To address it properly, I bought this versatile combined water heater. This water heater can operate using two energy sources. During the heating season, the main heat source becomes the heating circuit of a solid fuel boiler. Inside the boiler, there is a special spiral heat exchanger for this purpose. As soon as the heating season ends and the boiler is shut down for the summer, electric heating takes over, managed by a single immersion heating element with a power of 2000W. The power is substantial, but the water heater is also sizeable, so it doesn't heat up very quickly. The heating is controlled mechanically using a rotary dial. The maximum water temperature can reach 85 degrees, but the manufacturer explicitly recommends using a range of 50 to 60 degrees. You can go higher, technically there's no problem. However, heat losses through the tank insulation (foam polyurethane) would also increase in that case. The tank is well protected from overheating and excessive pressure. Compared to the old gas water heater, the initial significant inconvenience was the slowness of the new water heater. Heating water from 20 to 60 degrees takes more than two and a half hours, and if the water is freshly added and cold, around 10 degrees, you have to wait significantly more than three hours. In short, you need to plan ahead, or else if something urgent comes up and the water isn’t ready, you’ll have to wait anyway. |
- Connection to the heat exchanger on right (RN) or left (LN)




