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Heat & Glo LifeStyles Collection • Montana • 4039-150 Rev I • 08/06
12
E. Chimney Requirements
When planning your fi replace location, the chimney construc-
tion and necessary clearances must be considered. The fi re-
place system and chimney components have been tested to
provide fl exibility in construction. The following fi gures are
the minimum distances from the base of the fi replace.
Minimum overall straight height is 6 ft 4 in. if the fi re-
place is freestanding a minimum of 10 ft from a combus-
tible structure. See Figure 3.2.
Note: A maximum of two pairs of offsets and returns may
be used.
ft m
• Minimum overall straight height 14 4.27
• Minimum height with offset/return 16 4.88
• Maximum height 90 27.43
• Maximum chimney length between an offset
and return
20 6.1
• Maximum distance between chimney
stabilizers
35 10.67
• Double offset/return minimum height 24 7.32
• Maximum unsupported chimney length
between the offset and return
6 1.83
• Maximum unsupported chimney height above
the fi replace
35 10.67
• Minimum overall straight height if fi replace is
freestanding
6.33 1.93