Rinnai M060C Installation And Operation Manual page 35

This boiler is equipped with a 3 in. PVC pipe connection. With the use of a pipe reducer, installers
can use a 2 in. pipe for the combustion air and exhaust.
WARNING
components according to these instructions may result in property damage, personal injury, or
death.
Install 3 in. (80 mm)
Polypropylene (PP)
1
Insert 3 in. (80 mm) PP piping.
Install 3 in. PVC
1
Insert the 3 in. PVC
adapter onto the vent top.
2
Insert 3 in. PVC piping.
Rinnai M-Series Condensing Boiler Combi Manual
DO NOT apply PVC glues, solvents, or cleaners to the boiler's combustion
air or exhaust gasket connections. Failure to correctly assemble the
Install 2 in. PVC or PP (60 mm)
1
Insert 3 in. PVC adapter.
Insert 2 in. reducer.
2
Install 2 in. PVC or PP piping.
35