35
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Cat. No.
Model
Description
77L70
SV4.5L6
6 Inch (152 mm)
77L71
SV4.5L12
12 Inch (305 mm)
77L72
SV4.5L24
24 Inch (610 mm)
77L73
SV4.5L36
36 Inch (914 mm)
77L74
SV4.5L48
48 Inch (1219 mm)
77L75
SV4.5LA
Telescopic Length Slip
Section (2" to 7-1/2" rigid)
77L76
SV4.5E45
45 Degree Elbow
77L77
SV4.5E90
90 Degree Elbow
The following flashings come packaged with a storm collar:
77L78
SV4.5F
Flat Roof Flashing
77L79
SV4.5FA
1/12 to 7/12 Adjustable
Flashing
77L80
SV4.5FB
7/12 to 12/12 Adjustable
Flashing
77L81
SV4.5SC6
Storm Collar (6 per box)
H6183
SV4.5HF5
Firestop Spacer, 5",
rigid
H6184
SF4.5HF5
Firestop Spacer, 5",
flex
H2246
SV4.5HF-10
Firestop/Spacer-Horizontal,
rigid
(3-1-1 spacing),
10-pack
H2247
SV4.5VF-10
Firestop/Spacer-Vertical,
rigid
(1-1-1 spacing),
10-pack
96K92
SV4.5SP
Support Plate
LENNOX HEARTH PRODUCTS • MERIT
®
SERIES DIRECT-VENT GAS FIREPLACES • MODELS MLDVT-30/35/40/45 • INSTALLATION INSTRUCTIONS
INSTALLATION ACCESSORIES
Listed Secure Vent™ Components
Cat. No.
Model
Description
H1968
SV4.5HT-2
Horizontal Square
Termination with Firestop/
Spacer (H2246) & Adaptor
(74L61)
94L10
SV4.5HTSS
Rigid - Horizontal - Small
Square Termination with
Firestop/Spacer (H2246)
& Adaptor (74L61)
(ref. Instruction P/N 750204M)
H5817
SV4.5-
20SSWSK
Rigid - Small, Square
Termination, 20" w/Shield
and Firestop
(ref. Instruction P/N 750247M
and 750204M)
H2152
SV4.5CGV-1
Vertical Termination Cap,
High Wind
H4687
SV4.5CTS
Chase Top Termination,
Square
(ref. Instruction P/N 750207M)
H4716
SV4.5CTS-B
Chase Top Termination,
Square, Black
(ref. Instruction P/N 750207M)
H4717
SV4.5CTS-TC
Chase Top Termination,
Square, Terra Cotta
(ref. Instruction P/N 750207M)
Vent Sections
(Rigid)