State GTS-110-NI - Manual (Page 14)

Installation
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Page
*Backflow Preventer (Recommended for freezing weather conditions: 36°F and below)
**Vertical Condensation Drain must be installed accordance with local codes.
Horizontal Installation Diagram
With Direct‐Vent Concentric
Termination
Horizontal Installation Diagram
(With direct‐venting) Vertical Installation Diagram
(With direct‐venting)
The water heater
Intake port of
Direct‐Vent
Conversion Kit
Installation Diagram of Direct‐Vent
Conversion Kit with water heater
Wall
Direct‐vent
Concentric
Termination
Plate of Direct‐Vent Conversion Kit
See the picture below for detailed connection
instructions to the Direct‐Vent Conversion Kit.
Vertical Condensation Drain**
Backflow
Preventer *
Wall
Sidewall
Vent
Terminator
Roof Flashing
Vertical
Condensation
Drain**
Backflow
Preventer *
Rain Cap
Roof
Fire stop