Heatilator ST42A Installation Manual page 6

B. Design and Installation Considerations
NOTICE: Check building codes prior to installation.
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1. Selecting Fireplace Locations
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Figure 2.2 Fireplace Locations

20 in. (508 mm)
1/2 in. (13 mm)
all configurations
Heatilator • ST42A Installation Manual • 4012-051 • Rev O • 02/22
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NOTICE: In addition to these framing dimensions, also
reference the following section:
• Clearances (Section 3).
NOTICE:
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are FOR DESIGN PURPOSES ONLY.
• Illustrations/diagrams are not drawn to scale.
• Actual installation/appearance may vary due to individual
design preference.
• Hearth & Home Technologies reserves the right to alter
its products.
NOTICE:
A minimum 1/2 in. air clearance at the back and
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tained.
Chimney sections at any level require a 2 in. mini-
mum air space clearance between the framing
and chimney sections.
66 in.
(1676 mm)
(hearth
42 in.
extension)
(1067 mm)
12 in. (305 mm)
min. to
perpendicular
64 in.
wall.
(1626 mm)