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FIREPLACE SPECIFICATIONS
Notes
Due to Lennox' ongoing commitment to quality,
all specifications, ratings and dimensions are
subject to change without notice.
Vent Size
4-1/2" Inner
Co-axial DV Vent Size
7-1/2" Outer
Vertical Venting Through the Ceiling:
Frame ceiling opening - Use a plumb
line from the ceiling above the appli-
ance to locate center of the vertical run.
Cut and/or frame an opening, 10-1/2"
x 10-1/2" (267 mm x 267 mm) inside
dimensions, about this center mark (see
Figure 19).
FRAMING
SPACERS
10-3/4
(Top and Sides
(273)
and Rear)
Top View
1
(25)
33-1/8
27-1/2
(841)
(699)
Front View
Figure 14
VENT FRAMING -
TOP VENT WITH ONE
90¡ ELBOW
VENT FRAMING -
REAR VENT WITH
NO ELBOWS
33-1/4
(845)
Inches (mm)
21-1/2
(546)
6-13/16
(173)
3 (76)
33-1/8
(841)
30-1/8
17
(765)
(432)
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
FRAMING WITH SQUARE HORIZONTAL TERMINATION (SV4.5HT-2)
37-1/8
(943)
19-5/8
(498)
*12-7/8
(327)
16-5/8
(422)
33-1/4
(845)
*CONCENTRIC FLUE
FLUE - 4-1/2 (114)
COMBUSTION AIR - 7-1/2
*SSDVR models have only a rear vent
*SSDVT models have only a top vent
Inches (millimeters)
NOTE - Eyebrow
hood shown as positioned
in louvered front model.
ELECTRICAL INLET
2-3/4 x 2 (70 x 51)
COVER PLATE with
KNOCKOUT)
GAS INLET
(Either Side
and bottom)
3 (76)
Framing should be constructed
of 2 x 4 or larger lumber.
10-1/2
(
)
267
7
(178)
5-1/8
12-1/8
(130)
(308)
7
(178)
5-1/8
12-1/8
(130)
(308)
*12-7/8 inches (327 mm) is the
required framing depth dimension
when the finish material (drywall)
thickness is 1/2 in. (13mm).
13
(330)
1/2 (13)
1 (25)
8-11/32
(212)
1-5/8
(42)
2-3/4
(70)
Right Side View
**19-5/8
(498)
**Rear vent models only
11
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