Alutherm A 300


Very compact central heating boiler

Very compact, durable member boiler for commercial and industrial use. Manifolds are also made of cast aluminum. Available in the following power ratings: 168 kW, 210 kW, 252 kW and 294 kW.


  • For utility and industrial use
  • Low hydraulic pressure drop due to parallel flow
  • High modulation range
  • Low air resistance and flue gas side resistance
  • Best value for money
  • Fully water-cooled combustion chamber
  • High power per m2


Nominal power 294 kW
Return tax 30% 107,5%
Length 1281 mm
Width 600 mm
Height 1226 mm
Weight: 244 kg
NOx (n=1) Class 6
Water pressure 6 Bar
Maximum flow temperature 90°C
Ø Flue gas connection 200 mm
Sound level according to EN813/2013 art.4 72 dB (A)
Small footprint 0,78 m2 for 300 KW
High efficiency up to 107,5%