VESTRA 24C / 30C / 35C

A highly efficient and compact 24kW/30kW enclosed condensing boiler, featuring a premium stainless steel heat exchanger and low NOx emissions for sustainable heating.

KB 24/24 KB 25/30 KB 31/35

KB 24/24 KB 25/30 KB 31/35

  • Stainless steel heat exchanger, highly efficient.
  • Total premix burner.
  • Variable speed combustion fan.
  • Modulating gas valve with constant air/gas ratio.
  • Modulating high-efficiency pump.
  • Electronic combustion control.
  • Operation at low pressures (0,3 bar).
  • Temperature sensor for DHW (Domestic Hot Water) and heating.
  • Stainless steel plate heat exchanger for DHW.
  • Motorized three-way valves.
  • Low NOx emissions.
  • Easy integration and installation.
  • IPX4D protection.
  • Ultra-compact dimensions: 685×403×239mm.

  • Recovers latent heat from water vapor, achieving gas consumption savings of up to 30%.
  • Equipped with a high-efficiency pump, reducing electricity consumption by up to 76%.

  • Considerable reductions in CO2 and NOx emissions, capable of reducing pollutant gas emissions into the atmosphere by up to 70%.

  • Electronic combustion control.
  • Flame detection by ionization.
  • Temperature sensors for DHW and heating.

Kaltec Condensing Combi Boiler

Power Model Gas Code File Download
24/24 VESTRA 24C NG Natural BL0020001
25/30 VESTRA 30C NG Natural BL0020002
31/35 VESTRA 35C NG Natural BL0020003

Click on the ICONS to download:Energy LabelCommercial DatasheetMeasures

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