Rinnai ThermaCirc360 RUR199i Installation And Operation Manual page 37

2
Non-Direct Vent
Non-Direct Vent (Room Air) Example Vent Applications
2 in. or 3 in.
Schedule 40
PVC/CPVC
Snorkel
Termination
Configuration
2 in. or 3 in.
Schedule 40
PVC/CPVC
Elbow or Tee
Side Wall
Termination
Configuration
Slope horizontal exhaust 1/4 in. per foot towards the water heater.
Non-Direct Vent (Room Air) Maximum Vent Length
Room Air Maximum Equivalent Length Table
Vent Sizes
Vent Lengths
•
45° elbow is equivalent to 3 ft (1 m)
•
90° elbow is equivalent to 6 ft (2 m)
Rinnai Tankless Water Heater Installation and Operation Manual
(Room Air)
2 in. (51 mm) 3 in. (76 mm)
65 ft (20 m) 150 ft (46 m)
2 in. or 3 in.
Schedule 40
PVC/CPVC
Standard
Upside Down
"U" Vertical
Termination
Configuration
2 in. or 3 in.
Schedule 40
PVC/CPVC
Tee Vertical
Termination
Configuration
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