4. Existing Masonry Chimney
Type A
Chimney Liner
Termination Cap
3 in. (76mm)
Flex Liner
Pipe Length
(Optional)
Showing (2)
30 ft. (9m)
Sections of
Flex Liner
Type B
Connector
Pipe Length
Optional
Chimney Liner
Termination Cap
30 ft. (9m) of 3 in. (76mm) Flex Liner Exhaust Section
(Cut to length)
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
Type A & B Co-Axial to Co-Linear
Type C - Up & Out Installation
Termination Cap
Top Adaptor Flashing
4 in. (102mm)
Flex Liner
Retro Connector
90° Elbow
Direct Vent
Pipe
Type D - Hearth Mount
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| Chimney Liner | |
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| Termination Cap | |
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| 30 ft. (9m) of 3 in. (76mm) |
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| Flex Liner Exhaust Section |
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| (Cut to length) |
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| This section of the |
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| chimney must be sealed |
Alcove Clearance to |
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Combustibles must be |
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| Chimney must be sealed | ||||
maintained. |
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| from 4 ft. (1m) section to | |||||
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| termination using a smoke |
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| shelf or a damper*. |
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| Seal should be 6 in. |
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| (152mm) below end of 4 ft. |
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| (1m) Air Intake section. |
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| 4 ft. (1m) of 3 in. (76mm) Flex |
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| Liner Air Intake Section | ||||||||||||||
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*NOTE: In the Commonwealth of Massachusettes, the word damper shall be replaced with the words ue restrictor.
Figure 5.24
Page 20 | July 29, 2008 |