To ask technical questions or contribute to the discussion click here
The code seems to allow it:
M1805.3 Size of chimney flues. The effective area of a natural draft chimney flue for one appliance shall be not less than the area of the connector to the appliance. The area of chimney flues connected to more than one appliance shall be not less than the area of the largest connector plus 50 percent of the areas of additional chimney connectors.
[Back to Technical Discussion]
Buckley Rumford Fireplace Home Page
Copyright 1995 - 2013 Jim Buckley
All rights reserved.