HReco 24

HReco 24

Economical and ecological
Self-adjusting ECO mode
Compact dimensions – Easy to install
RF technology

Energy label AEnergy label A L

  • 22 kW power
  • CW3
    6 l/min at 60 °C
    10 l/min at 40 °C


Our HReco 24 is a compact boiler ideal for small homes. It contains tried-and-tested Combi Compact technology in its ultimate form.

The very best of this technology has, of course, been retained: its reliability, its simplicity of use and installation, and its compact dimensions.

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Discover the HRECO series
Article number 041107
Material heat exchanger Aluminium
Rated power 80-60 °C kW 22,60
Nominal load lower value kW 5,50 - 23,30
Nominal load upper value kW 6,10 - 25,90
Heating power adjustable
Suitable for natural gas
Suitable for propane
Conversion set required
Control signal OpenTherm
Burner control modulating
Maximum flow temperature (working temperature) °C 90
Maximum allowable operating pressure bar 3
Minimum work pressure bar 0,50
Maximum gas pressure mbar 30
Minimal gas pressure mbar 20
Nominal power tap water kW 22,70
Nominal load lower value tap water kW 5,50 - 23,30
Nominal load upper value tap water kW 6,10 - 25,90
Hot water capacity at 60 °C l/min 6
Hot water capacity at 40 °C l/min 10
Tap threshold l/min 1,50
Supply voltage V 230
Built-in pump circuit
Built-in manometer
Built-in weather-dependent controller
Weight kg 29
Height mm 590
Width mm 450
Depth mm 240
Connection return Knel
External tube diameter supply mm 22
Connection supply Knel
External tube diameter return mm 22
Fuel connection Knel
External tube diameter fuel mm 15
Air supply connection Mofeind
Nominal duct diameter air supply mm 80
Connection of flue gas outlet Mofeind
Nominal duct diameter flue gas discharge mm 80
Connection cold tap water Knel
External tube diameter cold tap water mm 15
Domestic hot water connection Knel
External tube diameter hot tap water mm 15
Condensation connection Flexibel
External tube diameter condensation mm 25,40
Capacity profile L
Efficiency class space heating A
Efficiency class water heating A
Supplementary electricity consumption at full load (ELmax) kW 0,045
Supplementary electricity consumption in standby mode (Psb) kW 0,002
Standby heat loss (Pstby) kW 0,038


  • Combi Compact HReco brochure