bsi138I SERIES - BERMUDA TECHNICAL SPECIFICATIONS CROWN MODEL NUMBER NO. OF SECS BSI069 3 BSI103 4 BSI138 5 BSI172 6 BSI207 7 BSI241 8 BSI276 9 BSI311* 10Download installation instructions for Crown Boiler BSI379, BSI241, BSI276, BSI345, BSI103, BSI138. Learn more about II Specifications, BSI Specifications.