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VENT OPTIONS
VENT MATERIAL DIAMETER
MAX
UNITS
MAXIMUM
VENT LENGTH
Exhaust Intake Header Vent
Concentric Pipe Polypropylene
Schedule 40
PVC
5"
1
150 ft
4" 65 ft
Twin Pipe
Polypropylene*
or
Schedule 40
PVC/CPVC
Schedule 40
PVC/CPVC
3"
1
150 ft
2" 65 ft
Common Vent
Polypropylene
or
Schedule 40
PVC/CPVC
Polypropylene
or
Schedule 40
PVC/CPVC
3" 2 65 ft
4" 4
2-3 Units: 150ft
4 Units: 65 ft
4" 6" 7
5-6 Units: 150ft
7 Units: 70 ft
6" 8 2 - 8 units: 150 ft.
6” 12
9-10 units: 90 ft
11-12 units: 41 ft.
SIDE WALL INTAKE
VERTICAL
EXHAUST
CU ON LY
DIRECT VENT
VERTICAL
ROOM AIR COMMON
VENT CONFIGURATION
VERTICAL EXHAUST
CU ON LY
DIRECT VENT
HORIZONTAL
ROOM AIR COMMON
VENT CONFIGURATION
VERTICAL EXHAUST
DEMAND DUO®
ROOM AIR WITH
HORIZONTAL EXHAUST
NEW
*Twin Pipe Polypropylene venting is provided by Centrotherm through their own distribution network.
VENT OPTIONS FOR CU SERIES, SE SERIES AND SE+ SERIES
TANKLESS WATER HEATERS
Learn more at rinnai.us
31
VENTING