Rinnai c199i Installation And Operation Manual page 18

Determining Vent Configuration (continued)
Twin Pipe PVC/CPVC Configuration
(3"or 4")
Intake Cap to be removed and discarded
for twin pipe PVC/CPVC configuration.
Removal of Intake Cap
1. Remove the fastener from intake connection.
2. Remove the intake cap.
Intake Gasket Connection
18
Exhaust Gasket Connection
C199 Manual
3. Install the intake pipe. Ensure it is properly
seated.
4. Secure the intake pipe to the unit with the
supplied screw (in the carton box).
5. Install the exhaust pipe. Ensure it is properly
seated.
6. Secure the exhaust pipe to the unit with the
supplied screw (in the carton box).
WARNING
DO NOT apply PVC glues, solvents, or cleaners
to the water heaters intake or exhaust gasket
connections. Failure to correctly assemble the
components according to these instructions
may result in property damage, personal injury,
or death.