RHOBG12AAV1 RHOBG18AAV1
Gas Device category   C13, C33, C43, C53, C63, C83, C93 C13, C33, C43, C53, C63, C83, C93
  Supply pressure Belgium   G20 (20 mbar) / G25 (25 mbar) / G31 (28-50 mbar) G20 (20 mbar) / G25 (25 mbar) / G31 (28-50 mbar)
    Czech Republic   G20 (20 mbar) / G31 (28-50 mbar) G20 (20 mbar) / G31 (28-50 mbar)
    France   G20 (20 mbar) / G25 (25 mbar) / G31 (28-50 mbar) G20 (20 mbar) / G25 (25 mbar) / G31 (28-50 mbar)
    Germany   G20 (20 mbar) / G25 (25 mbar) / G31 (28-50 mbar) G20 (20 mbar) / G25 (25 mbar) / G31 (28-50 mbar)
    Greece   G20 (20 mbar) / G31 (28-50 mbar) G20 (20 mbar) / G31 (28-50 mbar)
    Italy   G20 (20 mbar) / G31 (28-50 mbar) G20 (20 mbar) / G31 (28-50 mbar)
    Poland   G20 (20 mbar) / G31 (28-50 mbar) G20 (20 mbar) / G31 (28-50 mbar)
    Portugal   G20 (20 mbar) / G31 (28-50 mbar) G20 (20 mbar) / G31 (28-50 mbar)
    Spain   G20 (20 mbar) / G31 (28-50 mbar) G20 (20 mbar) / G31 (28-50 mbar)
  Category Belgium   I2E(S) I2E(S)
    Czech Republic   II2H3P II2H3P
    France   II2EsI3P II2EsI3P
    Germany   II2ELL3P II2ELL3P
    Greece   II2H3P
    Italy   II2H3P II2H3P
    Poland   II2E3P II2E3P
    Portugal   II2H3P II2H3P
    Spain   II2H3P II2H3P
  Connection Diameter mm 15 15
  Consumption (G20) Min m³/h 0.36 0.58
    Max m³/h 1.30 1.94
  Consumption (G25) Min m³/h 0.42 0.67
    Max m³/h 1.50 2.25
  Consumption (G31) Min m³/h 0.14 0.22
    Max m³/h 0.49 0.74
  NOx class   5 5
Central heating Heat input Qn (net calorific value) Nom Min kW 3.5 5.6
      Max kW 12.5 18.7
  Heat input Qn (gross calorific value) Nom Min kW 3.9 6.2
      Max kW 13.9 20.8
  Output Pn at 80/60°C Min kW 12.2  
    Nom kW   17.8
  Output at 40/30°C Min kW 3.8  
  Output at 37/30°C Nom kW   6.0
  Water pressure (PMS) Max bar 3  
  Water temperature Max °C 90  
  Efficiency Net calorific value % 109 109
  Efficiency full load heat input Gross calorific value % 97.7  
  Efficiency part load 30% Qa Gross calorific value % 109  
  Operation range Min °C 30  
    Max °C 90  
Heat losses Stand-by boiler Ps kW 0.038  
Supply air Connection mm 100  
  Concentric   Yes  
Flue gas Temperature Max °C 61.9  
  Connection mm 60  
  Length 2x DN80 Max m 100  
  Length DN60/100 Max m 10  
  Length DN80/125 Max m 29  
  Mass flow (G20) Max kg/h 5.8 8.7
  Mass flow (G25) Max kg/h 5.8 8.7
  Available overpressure Pa 75  
  Condensate drain hose DN 25  
Mounting Wall  
Casing Colour   White - RAL9010 White - RAL9010
  Material   Precoated sheet metal Precoated sheet metal
Dimensions Unit Height Casing mm 590 590
    Width mm 450 450
    Depth mm 240 240
  Packed unit Height mm 780 780
    Width mm 500 500
    Depth mm 270 270
Weight Unit Empty kg 28 28
  Packed unit Empty kg 30 30
Packing Material   Carton, PP (Straps) Carton, PP (Straps)
  Weight kg 2 2
Heat exchanger Quantity   1  
  Tube material   Copper  
  Body material   Aluminium  
Pump Type   Wilo Yonos Para RS 15-7 PWM  
  Nominal ESP unit Heating kPa 70  
  Nr of speeds   Modulating  
  Power input W 45  
  Maximum pumping height m 7  
Automatic firing unit Type   Intergas IC3  
Gas valve Type   Siemens VGU76s  
Water circuit - Central heating Piping connections diameter mm 22 22
  Piping material   Cu Cu
  Pressure Heating Max. bar 3 3
  Air purge valve   Yes (Manually) Yes (Manually)
  Drain valve / fill valve   No No
  Manometer   Yes Yes
  Shut off valve   No No
Water circuit Manometer   Digital  
Sound power level Nom. dBA 50  
Sound pressure level Nom. dBA 50  
Piping connections Water inlet heat exchanger diameter mm 22  
  Water outlet heat exchanger diameter mm 22  
Sensor Storage tank sensor NTC   NTC 25°/12kOhm  
General Supplier/Manufacturer details Name and address   Intergas Verwarming bv. - Europark Allee 2, 7741 NA Coevorden, The Netherlands Intergas Verwarming bv. - Europark Allee 2, 7741 NA Coevorden, The Netherlands
  Product description Model identifier   RHOBG12AAV1  
    Condensing boiler   Yes  
  LW(A) Sound power level (according to EN14825) Indoor dB(A) 50 45
Space heating General Prated kW 12 18
    P1 (Usefull heat output at 30% of rated heat output and low-temp regime) kW 12.2  
    P4 (Useful heat output at rated heat output and high-temp regime) kW 4.1  
    Ƞs (Seasonal space heating efficiency) % 94 93
    Ƞ1 (Useful efficiency at 30% of rated heat output and low-temp regime) % 109.0  
    Ƞ4 (Useful efficiency at rated heat output and high-temp regime) % 97.7  
    Seasonal space heating eff. class   A A
    Qhe Annual energy consumption (final energy) kWh 37 55
  Other NOx emission mg/kWh 17  
    Pign (ignition burner power consumption) kW 0  
    Pstby (standby heat loss) kW 0.038  
Power supply Name   IC3  
  Frequency Hz 50  
  Voltage V 230  
Class IP   IP44  
Electrical power consumption Max. W 80 80
  Standby W 2 2
Current Fuse Size A 3  
Sensor Storage tank sensor   NTC 25°/12kOhm  
  Return temperature sensor   NTC 25°/12kOhm  
  Feed temperature sensor   NTC 25°/12kOhm  
  Ambient temperature sensor   NTC 25°/12kOhm  
Notes Setpoint 40°C  
  Setpoint 60°C  
  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.