
4. Existing Masonry Chimney
Type A - Up & Out Installations for Top Vent Configurations
Termination Cap
Top Adapter Flashing
Type B - Hearth Rear Vent Installations for Use With Rear Vent Kit (see Section 12 for conversion kit and venting components.)
Chimney Liner
Termination Cap
Retro Connector
90º Elbow
Direct Vent Pipe
4 in. (102mm) Flex Liner
3 in. (76mm) | |
Flex Liner | |
Connector |
|
Pipe Length
Optional
Showing two
30 ft. (9m) Sections of Flex Liner
Chimney Liner
Termination Cap
Connector
Pipe Length
Optional
30 ft. (9m) of 3 in. (76mm) Flex Liner Exhaust Section
This section of the chimney MUST be sealed
The chimney must be sealed from the 4 ft. (1m) section to termination
using a smoke shelf or a damper*.
The seal should be 6 in. (152mm) below the end of the 4 ft. (1m) Air Intake section.
4 ft. (1m) of 3 in. (76mm)
Flex Liner
Air Intake Section
Figure 5.23
*In the Commonwealth of Massachusetts, the word damper shall be replaced with the words flue restrictor.
Page 20 | September 1, 2008 |