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Page 24
ROUGH FRAMING DIMENSIONS
Figure 28
Figure 29
Single Vent
Direct Vent and
Colinear Vent
Co-axial Vent
Flex Vent
Bay Window Mantis with
PV-4H
Short Top Cover Kit
A
8-1/2” minimum*
8-1/2” minimum*
7-3/4” minimum
12-3/4” minimum
B
25-1/4” minimum
27” maximum when using PVE-1 or PVE-2 Surround Kits
C
28-1/2” minimum, 33” minimum recommended for service
34-1/2” maximum when using PVE-1 Surround Kit
37” maximum when using PVE-2 Surround Kit
* When using a 2” radius 90° street ell on the flue exhaust, add 5-1/2”.
Single Vent
Direct Vent and
Colinear Vent
Co-axial Vent
Flex Vent
Bay Window Mantis with
PV-2H
Slim Top Cover Kit
A
13-1/2” minimum*
13-1/2” minimum*
12-5/8” minimum
17-7/8” minimum
B
25-1/4” minimum
27” maximum when using PVE-1 or PVE-2 Surround Kits
C
28-1/2” minimum, 33” minimum recommended for service
34-1/2” maximum when using PVE-1 Surround Kit
37” maximum when using PVE-2 Surround Kit
* When using a 2” radius 90° street ell on the flue exhaust, add 5-1/2”.
Single Vent
Direct Vent and
Colinear Vent
Co-axial Vent
Flex Vent
Fireplace Mantis
A
19-1/2” minimum*
19-1/2” minimum*
18-1/2” minimum
23-3/4” minimum
B
25” minimum
27-3/4” maximum when using FGK28 Surround Kit
28-1/2” maximum when using FFK28 Surround Kit
29-1/2” maximum when using FIK28 Surround Kit
32” maximum when using FWK28 Surround Kit
C
28-1/2” minimum, 31” recommended for service
33” maximum when using FGK28 Surround Kit
34” maximum when using FFK28 Surround Kit
37” maximum when using FIK28 Surround Kit
34” maximum when using FWK28 Surround Kit
* When using a 2” radius 90° street ell on the flue exhaust, add 5-1/2”.