bsi138BERMUDA Gas-Fired Steam Boiler Desned for reliability, efficiency and performance. For residential ... ia, PA BSI SERIES - BERMUDA TECHNICAL SPECIFICATIONS CROWNbsi138 138 113 354 85 82.0 5 19-14 28 40-716 6 504 bsi172 172 142 446 107 82.1 6 22-12 28 40-716 6 589 bsi207 207 171 533 128 82.1 7 25-34 30 40-716 7