IFYIL GT-15, User Manual

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4.7. Suitable Shapes Of Chimney
The remaining section of the chimney outside the home, it must be insulated. The
smoke in the event of an electrical failure of your boiler with a natural drive capable
throw out the chimney must be applied.
Figure 3- Suitable chimney shapes
Figure 4- Improper chimney shapes
**products shown in Suitable and unsuitable chimney shapes pictures are
representation. (Image 3 - Image 4)