JD Series Commerical Boiler ,   Model: JD Additional Information The JD Series - Next Generation Commerical Boiler is designed to take modular efficiency to the next level. Available in 28 sizes with capacities from 300 to 3,000 Mbh, the JD Series Natural Gas-Fired, Water or Steam Boilers are ideal for apartment buildings, schools, churches, offices and Manufacturing facilities. Efficiency: Mid-Efficiency Capacity: 300 - 3,000 MBH Heat Exchanger: Cast Iron Combustion: Atmospheric Venting: Direct Vent or Vertical Vent Boiler Type: Hot Water or St Brochure 240005086 - JD Rev. 3/09 1.3 MB Installation & Operation Manual 240006898 - AMB Modular Boiler Control Kit Rev. 1.0 1.6 MB 19984 - JD CSD-1 Control Rev. A 7/08 2.1 MB 240006636U - JD Rev. 1.0 7.8 MB Parts Lists 240006858 - JD Replacement Parts List Rev. C 1.1 MB Product Bulletin JD Series Commerical Boiler 10/07 117.7 kb Service & Technical Guide Utica Radiation Tables 69.8 kb Specification Sheet 240006966U - JD Rev. 1.0 746.9 kb User Manual 240006925U - JD Rev. 1.0 1.3 MB Warranty 240007009 - JD Rev. 0 33.1 kb