Rheem GHE80SS - Page 21

21
Installation
Figure 14. Typical Vertical Power Vent System Installation
Straight Exhaust Terminal
Support Bracket
Water Heater
Floor
90° Combustion Air
Inlet Terminal with
screen
Recommended support bracket be
placed on horizontal run
Min. of 18" (46 cm)
above roof.
Min. of 12" (30.5 cm)
above anticipated snow
level.
Max. 24" (61 cm) above
roof without additional
support.
90° Combustion Air
Inlet Terminal with
Screen
Water Heater
Support Bracket
Exhaust Terminal
Alternate vertical venting with
exhaust vent turned down -
preferred for cold climates.
Recommended support bracket be
placed on horizontal run
Min. of 18" (46 cm)
above roof.
Min. of 12" (30.5 cm)
above anticipated snow
level.
Max. 24" (61 cm) above
roof without additional
support.