The Astra has an internal water cooled furnace with low heat release rate. It is supplied with a monobloc burner. The reverse flue design enables to achieve higher efficiency & saves costly fuel. Each Astra undergoes a complete firing test, including a through check up of all electrical components & adjustment of burner for complete combustion. The salient features of the Astra are ?Rugged design ?Hinged doors for simple cleaning & inspection ?Fully automatic operation ?Improved efficiency ?Easy to install & maintain The firing options include Light oil, Heavy oil & Gas The capacities available are from 20,000 Kcals/hr to 10,00,000 Kcals/hr.