Rinnai RSC199i Installation And Operation Manual page 22

4.3.6 Clearances
Internal (Indoor) Models
Top
Front
Bottom
Figure 8: Clearances
Table 6: Clearances
Top
Bottom/Ground
Front
Back
Sides (Left and Right)
Vent
(Internal/Indoor Models)
Front Exhaust
(External/Outdoor Models)
22
Side
Location
Rinnai Tankless Water Heater Installation and Operation Manual
External (Outdoor) Models
Clearances to Combustibles
and Non-combustibles
2 in. (51 mm)
0 in. from vent components
12 in. (305 mm)
0 in.
Clearance for servicing is 24 in. (610 mm)
in front of water heater
0 in.
2 in. (51 mm)
Add 0.25 in. (6.35 mm) for recess box
0 in.
24 in. (610 mm)
Top
Front
Side
Bottom