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Innovative Hearth Products
DRC3000-B Series Direct-Vent Gas Fireplaces
Install the Horizontal Termination Vent System
These instructions should be used as a guideline and do not supersede local codes in any way. Install venting with
the most restrictive requirements as outlined in these instructions, local codes, the current National Fuel Gas Code
(ANSI-Z223.1) in the USA or the current standards of CAN/CGA-B149.1 in Canada.
Ensure clearances are in accordance with local installation codes and the requirements of the gas supplier.
Dégagement conforme aux codes d'installa tion locaux et aux exigences du foumisseunde gaz.
Horizontal vent systems terminate through an outside wall. Building Codes limit or prohibit terminating in specific areas
(Table 7, Page 14).
The following figures and their associated horizontal vent tables illustrate the various configurations that are possible
for use with these fireplaces. Secure Vent
A table summarizes each configuration's minimum and maximum vertical and horizontal length parameters for a
variety of applications. For more information on connecting the vent pipe, see Page 23.
Assure that adequate space between the bottom of the horizontal run and the attic is provided so that blown in
insulation does not contact the vent.
Figure 23 - Typical Horizontal Vent Installation
Building
Support
Framing
1. Analyze the vent route and determine the number of vent sections and elbows required. See Effective Vent
2. Frame the exterior wall opening. Locate the center of the vent outlet on the exterior wall (Table 10, Page 18).
3. Frame the ceiling opening. If the vertical route is to penetrate a ceiling, use plumb line to locate the center above
4. Attach the vent components to the fireplace. See Connecting the vent pipe (Page 23).
5. Attach the vent components to each other. See Connecting the vent pipe (Page 23).
30
Support
Brackets
SV4.5E90
Elbow
Ceiling
Vertical
Rise
Vertical Vent
Length (Pages 23 - 24) for more information. Plan the venting so that a joint does not occur in the ceiling or
roof joists. Allow for elbows (Figure 16, Page 23). Maintain clearances to combustibles equal to or greater than
minimum specified in these instructions (Page 25).
Cut and/or frame an opening, 10-1/2 x 12-1/8" (267 x 308 mm) inside dimensions, about this center.
the fireplace. Cut and/or frame an opening, 10-1/2 x 10-1/2" (267 x 267 mm) inside dimensions, about this
center (Figure 18, Page 26).
pipe is shown in these figures; Secure Flex
®
Horizontal/Inclined Run
SV4.5L6/12/24/36/48
Vent Sections
Support Bracket Spacing every
Firestop/Spacer
5 ft (1.52 m)
Fireplace
Installation
901191-00C, 07/2023
pipe may also be used.
®
Termination
Exterior
Wall
Termination
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