Since 1995 sbs has accomplished repairs on more than 3.000 boilers and related systems of all makes and sizes our database of boiler- and heating systems- drawings hold the manufacturing drawings for more than 25.000 boilers besides sbs have acquired the rights and drawing material related to all boilers of the german make dresden-ãœbigau and the croatian tpk. If a manual has not been provided, one can always visit the heating and hotwater industry.