4. Existing Masonry Chimney
Type A - Up & Out Installations for Top Vent Configurations
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| TERMINATION |
TOP ADAPTOR |
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| CAP |
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| FLASHING | |
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RETRO CONNECTOR | 4 in. (102mm) |
| FLEX LINER |
90° ELBOW |
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DIRECT VENT PIPE 
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
Part #923GK
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3 in. (76mm) | |
Connector | |
Part #923GCL | FLEX LINER |
PIPE LENGTH
OPTIONAL
Figure 5.24
Connector
Part #923GCL
Pipe Length
Optional
Chimney Liner
Termination Cap
Part #923GK
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. (In the Commonwealth of
Massachusetts, the word damper shall be replaced with the words flue restrictor.) 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
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Page 20 | January 3, 2007 | ||
