Rinnai Tankless Water Heater Installation and Operation Manual
43
Termination Clearances for External (Outdoor) Water Heaters
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
2 in.
12 in.
(0.30 m)
Corner
Exhaust Termination Clearances for Internal (Indoor) Room Air Applications
60 in. (1.52 m) vertically between terminals
12 in.
12 in.
(0.30 m)
Corner
Figure 39
Figure 40
•
Installation of Non-Direct Vent (Room Air) must use listed category IV venting.
•
All terminations (horizontal and/or vertical) must terminate 12 in. above grade or anticipated
snow level.
NOTE
