bsi138The Bermuda Series (BSI) residentiallht commercial, cast iron, steam boiler is a fully-packaged, installer-ready product. The integral draft diverter provides a low-profile desn allowing• BSI138 • BSI172 BSI207 • BSI241 BSI276 • BSI311 • BSI346 • BSI380 D ESNED TO L EAD 9902339. 11 FOLLOW ALL INSTRUCTIONS and warnings printed in this manual and posted