36
LENNOX HEARTH PRODUCTS • MERIT PLUS
®
DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • INSTALLATION INSTRUCTIONS
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Listed Secure Vent
®
Components
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 in. to 7–1/2 in.
rigid)
77L76 SV4.5E45 45 Degree Elbow
77L77 SV4.5E90 90 Degree Elbow
10K81 SFMP Mill-Pac, Black, High-
Temperature Sealant
89L40 SFMP-12 Mill-Pac, Black, High-
Temperature Sealant,
Bulk 12 pack
99L02 SV4.5HRK14 Horizontal Riser Kit,
14 in.,
(Ref. Instr.
#750146M)
99L03 SV4.5HRK36 Horizontal Riser Kit,
36 in., (Ref. Instr.
#750146M)
96K93 SV4.5SU Support Strap
H5816 SV4.5-
TWSK10
Through Wall Shield Kit
(used to shield the
direct-vent pipe from
blown insulation)
(Ref. Instr. #750247M)
The following fl ashings 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 in., rigid
H6184 SF4.5HF5
Firestop Spacer, 5 in., fl e x
H2246 SV4.5HF-10 Firestop / Spacer—Hori-
zontal, rigid (3-1-1 spac-
ing), 10 Pack
H2247 SV4.5VF-10 Firestop/Spacer—Verti-
cal, rigid (1-1-1 spac-
ing), 10 Pack
96K92 SV4.5SP Support Plate
INSTALLATION ACCESSORIES
Listed Secure Vent
®
Components
Cat. No. Model Description
H1968 SV4.5HT-2 Horizontal Square
Termination with
Firestop/ Spacer (H2246)
and Adaptor (74L61)
H2152 SV4.5CGV-1 Vertical Termination Cap,
High Wind
94L10* SV4.5HTSS Horizontal Small Square
Termination with
Firestop/Spacer (96K80)
and Adaptor (74L61)
98L27* SV4.5HTSSL Horizontal Small
Square—Long Termina-
tion with Firestop/Spacer
(96K80) and Adaptor
(74L61)
17M52 SV4.5HGS-1 Termination Guard,
Square (1 pack)
(Ref. Instr. #750109M)
17M53 SV4.5HGS-12 Termination Guard, Hori-
zontal Square (12 pack)
(Ref. Instr. #750109M)
87L02 SV4.5HGS Termination Guard for
Horizontal Square Termi-
nation (Deluxe) (1 pack)
(Ref. Instr. #750055M)
H5820 SV4.5HTSK Termination Shroud
(Guard) for Horizontal
Square Termination
(1 pack)
(Ref. Instr. #750246M)
H3907 SV4.5ARSA Attic Insulation Shield
with adjustable height,
12 in.–22 in.
H1988 CTSA-33 Chase Top Shroud Kit,
Arch Top 3 X 3 Ft.,
(Ref. Instr. #750194M)
H1985 CTSO-33 Chase Top Shroud Kit,
Open Top 3 X 3 Ft.,
(Ref. Instr. #750193M)
H1987 CTSO-44 Chase Top Shroud Kit,
Open Top 4 X 4 Ft.,
(Ref. Instr. #750193M)
H1986 CTSO-46 Chase Top Shroud Kit,
Open Top 4 X 6 Ft.,
(Ref. Instr. #750193M)
Vent Sections
(Rigid)
*Only for use with MPDT33 and MPD35 models.
To Next Page
Loading...
Need help?
General
