Description Overview Fuel type: natural gas Model: 75DS 300 Capacity: 75,000 pph Year: 2008 Manufacturer: English Tube and Boiler Specifications Design pressure: 300 psi mawp Heating surface: 5,733 sq.ft Included Equipment Economizer Inlet air ducts Forced draft fan / motor Fuel train Standard boiler trim Additional Options For purchase of both the da tank and feedwater pumps can be included Quantity 2 units available