Rinnai ThermaCirc360 RUR199i Installation And Operation Manual page 33

2
Non-Direct Vent
NOTE: Installation of Non-Direct Vent (Room Air) must use listed category IV venting.
NOTE: All terminations (horizontal and/or vertical) must terminate 12 in. above grade or anticipated snow level.
Termination Clearances for External (Outdoor) Water Heaters
Exhaust Termination Clearances for Internal (Indoor) Room Air Applications
Rinnai Tankless Water Heater Installation and Operation Manual
(Room Air and External)
12 in.
(0.30 m)
Inside
Corner
12 in.
(0.30 m)
Inside
Corner
2 in.
36 in. (0.91 m) to ventilated or unventilated soffit or
eve vent; or to a deck or porch
60 in. (1.52 m) vertically between terminals
12 in.
(1.52 m) vertically between terminals
60 in.
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