HearthStone
Quality Home Heating Products
MODEL Sterling “G” Direct-Vent
10
Allowable Venting Configuration Graphs
W
ARNING
This appliance must not be connected to a chimney flue serving a separate solid-fuel burning appliance.
The only type of vent pipe approved for use with your Sterling Direct-Vent stove is Simpson Dura-Vent's GS Direct-
Vent Pipe. After determining the venting configuration for your stove, select the Simpson Dura-Vent system and
HearthStone's Dura-Vent exit starter collar adaptor that will accommodate your installation.
Note
Refer to Appendix A Exterior termination Clearances, for determining where the termination cap position will be.
Refer to Appendix D Simpson Dura-Vent Parts, for part numbers and descriptions of the venting components you need.
If the vent-air intake system is disassembled for any reason, reinstall per the instructions provided for the initial
installation.
A. Fireplace & Existing Chimney Installation
The vent/air intake termination
clearances above the high side of an
angled roof as follows:
Roof Pitch
Feet
Meters
Flat to 6/12
1
0.3
7/12 to 9/12
2
0.6
10/12 to 12/12
4
1.2
13/12 to 16/12
6
1.8
17/12 to 21/12
8
2.4
The use of an existing chimney as an air intake is not covered under the ANSI Z21.88-1998•CSA
2.33-M98 test methods and the resulting ITS/WHI product certification. The code Authority
Having Jurisdiction must be consulted prior to proceeding with this installation method.
Existing Chimney