Direct/Indirect Fired Water Heater

with compact gas condensing boiler | 80 – 150 kW | 300 – 5000 L

ECOTHERM direct gas fired water heaters are the most compact water heating solutions using gas as a primary source. A smart gas condensing boiler which is designed to heat up domestic water directly is connected to a storage tank. For water harder than 11°dh water can be heated indirect using a spiral flat heating coil in the storage tank. These water heaters are mostly used in villas.


  • efficiency up to 107% due to condensation
  • indirect heating with heat exchanger for hard water
  • very low flue gas temperatures
  • compact and space saving
  • operates on both natural and propane gas


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