RHOB12AAV1H RHOB18AAV1H RHOB42AAV1H
Gas Connection Diameter mm 15 15 15
  Consumption (G20) Min m³/h 0.36 0.58 0.81
    Max m³/h 1.22 1.94 4.41
  Consumption (G25) Min m³/h 0.42 0.67 0.94
    Max m³/h 1.42 2.25 5.10
  Consumption (G31) Min m³/h 0.14 0.22 0.31
    Max m³/h 0.47 0.74 1.68
  NOx class   5 5 5
Central heating Heat input Qn (net calorific value) Nom Min kW 3.5 5.6 7.8
      Max kW 11.8 18.7 42.5
  Heat input Qn (gross calorific value) Nom Min kW 3.9 6.2 7.8
      Max kW 13.1 20.8 42.5
  Output Pn at 80/60°C Min kW 3.4 5.4 7.7
    Nom kW 11.5 17.8 40.9
  Output Pnc at 50/30°C Min kW 3.8 5.9 8.5
    Nom kW 12.0 18.1 42.2
  Output at 40/30°C Min kW 3.8 6.0 8.4
  Water temperature Max °C 90 90 90
  Efficiency Net calorific value % 109 107 107
Heat losses Stand-by boiler Ps kW 0.038 0.038 0.038
Supply air Concentric   Yes Yes Yes
Flue gas Temperature Max °C 59.9 90.4 83.6
  Mass flow (G20) Max kg/h 5.5 8.7 19.7
  Mass flow (G25) Max kg/h 5.5 8.7 19.7
Casing Colour   White - RAL9010 White - RAL9010 White - RAL9010
  Material   Precoated sheet metal Precoated sheet metal Precoated sheet metal
Dimensions Unit Height Casing mm 590 590 710
Space heating General Seasonal space heating eff. class   A A A
Notes Setpoint 40°C Setpoint 40°C Setpoint 40°C
  Setpoint 60°C Setpoint 60°C Setpoint 60°C
  Gas supply pressure Germany & France: installer can modify Gas Valve. (Change setting from G20 to G25). Gas supply pressure Germany & France: installer can modify Gas Valve. (Change setting from G20 to G25). Gas supply pressure Germany & France: installer can modify Gas Valve. (Change setting from G20 to G25).
  Gas supply pressure Belgium: Installer cannot modify Gas Valve. (G25 will be burned with G20 setting) = 18% lower capacity. Gas supply pressure Belgium: Installer cannot modify Gas Valve. (G25 will be burned with G20 setting) = 18% lower capacity. Gas supply pressure Belgium: Installer cannot modify Gas Valve. (G25 will be burned with G20 setting) = 18% lower capacity.