The Burnham Commercial Steel Firetube division is pleased to announce the product size expansion of their popular C Series boiler. The C Series boiler is now available up to 200 hp in low pressure steam and hot water designs. The C Series is built to ASME standards and boasts the highest efficiency ratings of any non-condensing firetube steel boiler design. The heavy duty construction features ensure longevity accompanied with higher efficiencies for a quick return on investment.