Installation
900608-00 01/2019
Innovative Hearth Products
MHD40 Series Multi-View Direct-Vent Gas Fireplaces
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
36
77L70
SV4.5L6
6" (152 mm)
77L71
SV4.5L12
12" (305 mm)
77L72
SV4.5L24
24" (610 mm)
77L73
SV4.5L36
36" (914 mm)
77L74
SV4.5L48
48" (1219 mm)
77L75
SV4.5LA
Telescopic Length Slip Sec-
tion (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-Horizon-
tal,
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
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
INSTALLATION ACCESSORIES
Listed Secure Vent
®
Components
Cat. No.
Model
Description
H1968
SV4.5HT-2
Horizontal Square Termina-
tion With Firestop / spacer
(H2246) & Adaptor (74L61)
H2152
SV4.5CGV-1
Vertical Termination Cap,
High Wind
Vent Sections
(Rigid)
Listed Secure Vent
®
Components
Cat. #
Model
Description
H5820
SV4.5HTSK
Termination Shroud
(Guard) for Horizontal
Square Termination
(1-pack)
(ref. instr. #750246M)
H5816
SV4.5-
TWSK10
Through Wall Shield Kit
(used to shield the direct-
vent pipe from blown
insulation)
Ref. instr. #750247M
H3907
SV4.5ARSA
Attic Insulation Shield w/
adjustable height, 12"-22"
96K93
SV4.5SU
Support Strap
10K81
SFMP
Mill-Pac, Black, High
Temperature Sealant
89L40
SFMP-12
Mill-Pac, Black, High Tem-
perature Sealant - Bulk
12-pack
99L02
SV4.5HRK14 Horizontal Riser Kit, 14",
Ref. instr. #750146M
99L03
SV4.5HRK36 Horizontal Riser Kit, 36",
Ref. instr. #750146M
56L74
SFVT30
Vertical Termination for
flex (flat to 6/12) with flex
adaptor, section of rigid
vent, roof support collar
assembly, roof flashing
and storm collar.
Ref. instr. #750052M
56L75
SFVT45
Vertical Termination for flex
(6/12 to 12/12) with flex
adaptor, section of rigid
vent, roof support collar
assembly, roof flashing
and storm collar.
Seala
nt
(Fits
94L10 &
H1968)
(Fits
H1968)
(Fits
94L10 &
H1968)
IMPORTANT NOTE: The installation accessories shown in this section are part
of the safety agency listing for the product models represented in this manual.
f i r e - p a r t s . c o m