Description Overview McKenna boilers Year 2008 70 hp Specifications Pressure reads on plates 125 Heating surface sq. ft.: 414 Horsepower: 70 B.t.u. input 2,600,000 Rated steaming capacity: 2275 Serial number: H-2305National board number: 7685 Condition Well maintained Were re-tubed at one point Were running well prior to being recently shut down