Twin Pipe: Installation Instructions - Rinnai I Series Installation And Operation Manual

This boiler is equipped with a 2 in. PVC pipe connection. With the use of a pipe reducer, installers
can use a 3 in. pipe for the combustion air and exhaust.
WARNING
DO NOT apply PVC glues, solvents, or cleaners to the boiler's combustion air or exhaust gasket
connections. Failure to correctly assemble the components according to these instructions may
result in property damage, personal injury, or death.
Remove and discard the screw from the
combustion air vent connection.
Remove and discard the combustion
air vent cap.
Install the combustion air vent pipe.
Ensure it is properly seated.
Secure the combustion air vent pipe to the
combustion air vent connection with the
supplied screw.
Install the exhaust vent pipe. Ensure it is
properly seated.
Secure the exhaust vent pipe to the exhaust
adapter ring with the supplied screw.
Rinnai I-Series Condensing Boiler Combi Manual
Combustion Air Vent Pipe
Supplied screw
Exhaust Vent Pipe
Supplied screw
37