The Max O (Oil) , Max G (Gas) and Max OG (Oil cum Gas) Series are three pass, smoke tube, IBR Steam Boiler series. They are fully wet back, semi or fully automatic steam boilers.

The capacity of a single furnace ranges from 0.6 TPH to 14 TPH, while the capacity of a double furnace ranges from 15 TPH to 30 TPH.These boilers are suitable for fuels like LDO, Furnace Oil, Gas and Oil cum Gas i.e. Duel Fuels.

The various working pressure options suitable for the Max O/G/OG series are 7, 10.54, 14.0, 17.5, 21 kg/cm² and above. The burners are fully automatic, Indian / Imported, Monobloc or Dualbloc burners.

A thermal efficiency of 90 ± 2% can be obtained on NCV, which can be increased to 95 ± 2% on NCV with a heat recovery unit.