Chimney Requirements
The minimum height of a chimney system for the D.S. Boiler is 20 feet. The chimney must
exceed the roof of a building at a minimum of 3 feet at any point of exit. In a pitched roof
installation the chimney must be 2 feet higher than anything within a 10 foot radius of the
chimney. It is important to have a chimney draft of 0.06 water column. It is required to
abide by the manufacturer’s instructions on Class A chimneys as well as local building
codes. It is not recommended to build a chimney on an addition that is lower than the
main part of your building. Do Not extend the stovepipe past the inside of a masonry
chimney liner. Never connect this unit to a chimney serving another appliance. Should
you have a problem with inadequate draft you should see page 11.
10 feet
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