Biasi Riva Advance Combi Installation & Operation Instructions page 26

9. Venting Cont.
J Polypropylene chimney liner kit Part#
This kit allows for venting of the boiler through an existing chimney way. The kit includes all the
parts needed from the chimney thimble to the chimney top termination. It is not permited to use
any other vent system than the listed kit. The connection to the boiler should be constructed of
polypropylene pipe lengths. The total overall maximum permissible length of 50' liner and
chimney connector combined. Optional 45° and 90° elbows can be used to offset the flue route.
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Figure 9.9
1. Single wall shaft connector
2. Support elbow
3. Support bracket
4. Male flex adapter to rigid
5. Clamp (or tie)
6. Coupling
7. Seal
8. Flex liner
9. Spacer bracket
10. Support cross
11. Female flex adapter to rigid
12. Weather collar
13. Metal termination pipe
RIVA ADVANCE COMBI MANUAL
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Installation:
• Please refer
instructions for installation of the liner kit.
• Once liner has been installed install piping
to the boiler using 3" polypropylene pipe
making sure not to exceed the maximum
allowable length.
• Intake air piping can be constructed of
Polypropelyene pipe. Exhaust piping can
only be constructed of a high temperature
pipe like polypropylene.
• Intake and exhaust piping should be
assembled and secured according to the
pipe manufacturers instructions.
• Install the vent adapter onto the top of
the boiler using the gasket and screws
provided and remove the PVC adapters
supplied with the adapter.
• Install the pipe onto the boiler by simply
pushing it into the adapters. Do not
cement the pipe into the adapters, this is
a gasket connection.
to the manufacturers
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