Install The Vent System - Superior Fireplaces DRT3000 Series Installation And Operation Instructions Manual

Direct-vent gas fireplaces
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Innovative Hearth Products
DRT3000 and DRC3000 Series Direct-Vent Gas Fireplaces
Clearance to combustibles
Maintain the minimum clearance to combustibles (e.g., framing, attic, ceiling insulation, etc.).
For all vertical runs:
1" (26 mm) from all sides
NOTE: Attic insulation shield (H3907, see Page 48) must be installed when blown or loose-fill insulation is used,
and is required for all attic installations.
For all horizontal/inclined runs:
3" (77 mm) from the top
1" (26 mm) from the sides
1" (26 mm) from the bottom

Install the Vent System

10.
Install the Vertical Termination Vent System
These instructions should be used as a guideline and do not supersede local codes in any way. Install venting
according to local codes, these instructions, 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.
Vertical vent systems terminate through the roof. The minimum vent height above the roof and/or adjacent walls
is specified in ANSI Z223.1 (In Canada, the current CAN/CGA-B149.1 installation code) by major building codes.
Always consult your local codes for specific requirements. A general guide to follow is the gas vent rule (Table 6).
The following figures and their associated vertical 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.
1. Refer to Figure 24 and Tables 16–19 on Pages 28–29 to select the type of vertical installation desired. Elbows
are available in 90° and 45° configurations. Refer to Figure 18 on Page 23 for the SV4.5E45 and SV4.5E90
elbow dimensional specifications.
Vertical (Straight) Installation
1. Determine the number of straight vent sections required—See Effective Vent Length on Page 24 for more
information. Plan the vent lengths so that a joint does not occur at the intersection of ceiling or roof joists.
Figure 19 - Vertical (Straight) Installation
SV4.5CGV-1
Termination
®
SV4.5FA or
SV4.5FB Flashing
AND SV4.5SC
Storm Collar
1" (26 mm)
Minimum
Clearance to
Combustibles
SV4.5VF
Firestop/Spacer*
*When using Secure Flex,
use Firestop/Spacer
Max. 60 ft
SF4.5VF.
(18.3 m)
SV4.5L6/12/24/36/48
Vent Sections
pipe is shown in these figures; Secure Flex
Installation
900285-00 12/2016
pipe may also be used.
®
25

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