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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Installation and Operation Instructions
900300-00, 01/2018
Innovative Hearth Products
DRT35ST and DRT35PF Direct-Vent Gas Fireplaces
Cat. No.
Model
Description
77L70
SV4.5L6
6" (153 mm)
77L71
SV4.5L12
12" (305 mm)
77L72
SV4.5L24
24" (610 mm)
77L73
SV4.5L36
36" (915 mm)
77L74
SV4.5L48
48" (1220 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
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)
IMPORTANT NOTE: The installation accessories shown in this section are part
of the safety agency listing for the product models represented in this manual.
