NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. 11

PRODUCT REFERENCE INFORMATION

Cat.

No.

Model Ship

Wt.

Ship.

Volumn

H3333 SSDVST-CNM 282 lbs 52W x 27D x 44-
1/2H (36.2 cu.ft).
H3334 SSDVST-CNE 282 lbs 52W x 27D x 44-
1/2H (36.2 cu.ft).
Figure 13

SPECIFICATIONS

Natural & Propane

Gas BTU Input

37,500

(MV Low 30,000)

Co-axial DV Vent Size 4-1/2" Inner

7-1/2" Outer

FIREPLACE SPECIFICATIONS - SSDVST (SEE-THROUGH)

NOTES

• Annual Fuel Utilization Effi ciency

Due to Lennox' ongoing commitment to quality,

all specifi cations, ratings and dimensions are

subject to change without notice.

Appliance has a factory-installed vent seal cap

(see Figures 15 & 16 on Page 13) in each fl ue

outlet.

EFFICIENCIES

SSDVST

61% (NG)
62 % (LP)
Steady State 72 % (NG)
73 % (LP)
• AFUE 68 % (NG)
68 % (LP)
6-7/8
(175)
10-1/4
10-1/2
(260)
12
(305)
12 (305)
10
(254)
(63.5)
3 (76)
FLUE
(Top or Side)
(267)
FLUE
(Top or Side)
GAS INLET
ELECTRICAL
INLETS
GAS INLET
40-1/8
(1019)
(16)
(89)
3
(76)
ELECTRICAL
INLETS
FRAMING SPACERS
(Top and Both Sides)
24
(610)
FINISH WALL BRACKET
(Front and back edge of unit top)
1/2
(13)
3-1/2
3-1/2
(89)
ELECTRICAL
INLETS
(940)
37
41
(1041)
4 (102)
(13)
(1197)
47-1/8
(873)
34-3/8
(610)
24 (63.5)
Detail fo Finish
Wall Bracket
2-1/2
2-1/2
1/2
(13)
1/2
5/8
*41-1/2
(1054)
48-1/2
(1108)
(679)
11-3/8
(267)
(289)
7
(178)
5-1/8
(130)
12-1/8
(308)
10-1/2
22-3/4
(578)
6-1/4
(159)
A
7
(178)
5-1/8
(130)
12-1/8
(308)
26-3/4
Provide additional
space for Side Vent
Seal Cap if installing
against a solid wall.
Louvered Control
Compartment Door

Left Side View

Front View

Right Side View

Top View Stepped to Accept Drywall(all 4 corners)

**25-1/4
(641)
10-1/2
(267)
12-1/8
(308) 5-1/8
(130)
12-1/8
(308)
26-3/4
(648)
5-1/8
(130)
Vent Center - Top
Vent with one 90
degree elbow
* This dimension can be reduced to 41 inches (1041 mm). This results in 0 in. (0 mm) clearance between framing and unit framing
spacers. (The 41-1/2 in. dimension permits easier fi replace installation, if unit is installed after framing is erected).
** This dimension based on 5/8" drywall. For 1/2" drywall use 25-1/2" (648 mm). The fi nished dimension should be 26-1/2" (673 mm).
See also, Side Vent Seal Cap note below.
• Inches (millimeters)
•
Minimum Framing Stud Size is 2 x 4
• See
side views of fi replace below
for
gas line inlet location options.

Vent Framing

- Top Vent With

One 90º Elbow

Vent Framing - Rear

Vent With No Elbows

Gas Line Center of gas line is 3 in. (76 mm) up from fl oor.
Gas
Line

A

Vertical Venting Through the Ceiling:
Frame ceiling opening - Use a plumb line from the ceiling above the appliance 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).
Vent Center- Side
Vent (no elbows)
Dimension A
Secure Vent 47-1/8 (1194)
Secure Flex 47-7/8 (1216)