Installation and Operation Manual

Rinnai Tankless Water Heater Installation and Operation Manual 49
3. Common Vent (Indoor Units Only. Direct Vent and Non-Direct/Room Air Vent)













Vent Length
Figure 49: Sample Inline, Freestanding
Conguration
Water Heater Model

Heaters


  

and RU199i: REU-N3237FF-US
2 







and RU160i: REU-N2530FF-US
2 







Header
Common Vent Maximum Equivalent Vent Lengths




• -

• 

• 

RSC199


RU199


RSC199

RSC199

CORRECT
NOT CORRECT
Figure 50
Figure 51
Figure 52