During the connection of the boiler to the chimney, there are often small inconsistencies in diameter. Therefore, you can use a special adapter. Subsequently, this zone is mandatory processed by a heat -resistant sealant. Next is the assembly of the chimney with a gradual expansion up. During the output of the pipe out, necessarily inserted a metal sleeve into the wall. The space between the wall and the sleeve is filled with sealant. The outer pipe is additionally coated with thermal insulation material and casing. A small hatch is created in the pipe rotation areas for cleaning the knee and washing condensate.
