bsi138Crown Boiler BSI138 user manual. Topics manualsbase, manuals, Collection manuals_contributions; manuals; additional_collections Language English Item Size 23.5M .Crown Boiler BSI379, BSI276, BSI138, BSI345, BSI103, BSI172, BSI241, BSI310, BSI207, BSI069 User Manual. Download. Specifications and Main Features. Frequently Asked