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  • Wall hung combi boilers (room sealed)
  • Parma 20 RS i– Parma 24 RS i

Parma 20 RS i – Parma 24 RS i

Wall hung combi boiler (room sealed)


General information

parma Innovita


  • Suitable for room non-ventilated
  • Mono-thermal combustion
  • Use possible with NG or LPG
  • Ignition and control of flame with monoelectrode
  • Continuous output modulation in both heating and domestic hot water
  • Stainless steel domestic hot water plate heat exchanger
  • Domestic hot water temperature stabilization function
  • Instant and continuous domestic hot water even with
  • low water pressure (0,15 bar)
  • 3-speed pump with an integrated automatic air vent
  • Possibility to connect a room ther­mostat


  • Prompt and elegant user interface
  • Control panel with hydrometer
  • Self-diagnosis troubleshooting fun­ction
  • Noiseless operation
  • Boiler over-heat safety system
  • 3-ways valve anti-lock function

User interface:

A Pressure gauge
B Led lit up
C Function selector - Adjustment se­lector heating temperature
Adjustment selector domestic hot water temperature - Function selec­tor combustion analysis




parma vista frontale quotata biancoparma vista laterale quotata bianco

Dimensions in mm
 Parma 20 RS i – Parma 24 RS i
MR Heating delivery 3/4” M
AC Hot water 1/2” M
G gas 3/4” M
AF Cold water 1/2" M
R Heating return 3/4” M


Parma vista sotto biancoParma vista alto bianco

Technical data

Technical data for: NG (G20) - LPG (G30) - LPG (G31)

  Parma 20 RS i
Parma 24 RS i
Nominal heat input heating/ domestic hot water (kW) 23.0 26.2
Nominal heat output heating/ domestic hot water (kW)    20.0 24.3
Reduced heat input heating (kW) 8.9 8.9
Reduced heat output heating (kW) 7.8 8.1
Reduced heat input domestic hot water (kW) 8.9 8.9
Reduced heat output domestic hot water (kW) 7.8 8.1
Useful efficiency Pn max (%) 87.0 92.7
Heating water temperature (min-max) (+/-3) (C°) 40-80 40-80
Domestic hot water temperature (min-max) (l/min) 37-60 37-60
Quantity of hot water Δt 25°C (l/min) 11.4 13.8
Diameter flue pipes (mm) 80-80/60-100 80-80/60-100
Weight (Kg) 32 33
Height (mm) 740 740
Width (mm) 400 400
Depth (mm) 332 332