4. Existing Masonry Chimney
Type A - Up & Out Installations for Top Vent Configurations
Type B - Hearth Rear Vent Installations for Use With Rear Vent Kit (see Section 12 for conversion kit and venting components.)
Termination Cap
Top AdaptorFlashing
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| 4 in. (102mm) |
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Retro Connector |
| Flex Liner |
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90° Elbow |
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Direct Vent Pipe
Pipe Length
Optional
Chimney Liner Termination Cap
3 in. (76mm)
Flex Liner
Figure 5.24
Connector
Pipe Length
Optional
Chimney Liner
Termination Cap
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
20 |