Rinnai SENSEI RU199i Manual De Instalación Y Operación página 28

1
Direct Vent
Concentric Pipe Overview
Combustion air and exhaust vent directly through a single
concentric connection. Hot exhaust exits through the interior
tube, while combustion air enters through the outer layer.
Concentric Pipe Termination Clearances
12 in.
(0.30 m)
Inside
Corner
All terminations (horizontal and/or vertical) must terminate 12 in. (0.30 m) above grade or anticipated snow level.
28
(Concentric Pipe)
12 in.
(0.30 m)
60 in. (1.52 m) vertically
between terminals
Combustion
air
Between terminals at different levels
Between terminals at same level
Rinnai Tankless Water Heater Installation and Operation Manual
Exhaust
Combustion
air
60 in. (1.52 m)
Note: 24 in. (0.61 m)
to wall or parapet
12 in. (0.30 m)