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Alcove Clearances
Description
A
Side Wall to Appliance
B
Back Wall to Appliance
C
Side Wall to Vent Pipe
D
Back Wall to Vent Pipe
E
Minimum Floor to Ceiling
F
Minimum Vent Pipe to Ceiling
Note: Clearances may be reduced using NFPA 211
clearance reduction methods, if permitted by local code
enforcement officials.
F
C
E
A
Figure 3.9
Fireplace Clearances:
A fireplace installation requires special clearance between
the side of the stove and the right and left walls, the side of
the stove and the decorative side trim on the fireplace face,
and the top of the stove and the mantel.
Maximum Mantel depth (A, Figure 3.10) of a combustible
mantel is 9" (230 mm). At that depth, the clearance to the
stove top (B) must be a minimum of 22-1/2" (572 mm).
Top Trim (C) protruding less than 1-1/2" (38 mm) from the
face of the fireplace must be a minimum of 12" (305 mm)
from the stove top. This clearance may not be reduced by
shielding.
For every 1-1/2" (38 mm) increment that the trim or mantel
extends in depth, the clearance from the stove top must also
be increased by 1-1/2" (38 mm).
Side Trim must have a minimum clearance of 8" (203 mm),
measured from the stove's top edge. (D, Figure 3.11)
8390-950i
Single-Wall Pipe
14" / 356 mm
8" / 203 mm
18-1/2" / 470 mm
11" / 279 mm
63" / 1600 mm
20" / 508 mm
F
D
B
Vermont Castings • Apsen C3 Installation Manual_R2 • 2019 - ___ • 07/19
When:
A = 9" (229 mm) Max.
B = 22-1/2 (572 mm) Min.
A = 7-1/2" (191 mm) Max.
B = 21" (533 mm) Min.
A = 6" (152 mm) Max.
B = 19-1/2" (495 mm) Min.
A = 4-1/2" (114 mm) Max.
B = 18" (457 mm) Min.
A = 3" (76 mm) Max.
B = 16-1/2" (419 mm) Min.
A = 1-1/2" (38 mm) Max.
B = 15" (381 mm) Min.
Figure 3.10 - Mantel and trim clearances.
D
B
Mantel
C
*Top Trim
D
Side Trim
*Material is less than 1-1/2" (38 mm) Thick
Figure 3.11 - Mantel and trim clearances.
A
Max. 9"
(229mm)
B
⁄
22
"
1
2
(572mm)
(38mm)
Min. 15"
(381mm)
ST252a
mantel clrncs
B
12/14/99 djt
C
D
22-1/2" (572 mm)
12" (305 mm)
8" (203 mm)
ST253a
aspen
trim clearances
12/15/99 djt
⁄
1
1
"
2
11
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