Specifications

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34 Solution3.4InstallationandOperationManual
8 THEFLUESYSTEM
8.1 GENERAL
The flue system, made up of the flue system and the flue between the wood fire and the flue
system,actsastheenginethatdrivesyourwoodheatingsystem.Eventhebest woodfirewillnot
functionsafelyandefficientlyasintendedifitisnotconnectedtoasuitablefluesystem.
Theheatinthefluegasesthatpassfromthewoodfireandflue intothefluesystemisnotwaste
heat.Thisheatiswhatthefluesystemusestomakethedraftthatdrawsincombustionair,keeps
smokeinsidethe  woodfireandsafely ventsexhaustto outside.Youcanthink ofheatinthe flue
gasasthefuelthefluesystemusestomakedraft.
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8.2 SUITABLEFLUESYSTEMS
Your wood fire will provide optimum efficiency and performance when connected to a 150 mm
diameter flue system. The cross‐sectional area of the flue shall be within 20 percent of the flue
collaropening
Tobesuitable,afactorybuilt InsulatedFlueKit
must comply with AS/NZS 2918 Appendix F or
AS/NZS2918AppendixB.
8.2.1 FACTORYBUILTINSULATEDFLUEKITS
Factory built flue kits are normally sold as a
complete system, (not just the flue pipe), with
all the components needed to install  a heater 
into a normal 2.4 metre (8 foot) timber stud
wall, low pitched roof home. Each flue kit
should contain aset ofinstallation instructions
coveringallthecomponentssuppliedinthekit.
Incorrect installation of these kits is a major
source of post installation problems and no
short cuts should be taken. All components
supplied in the kit are required and should  be
used to
 ensure the installation is correct and
safe. It is essential the flue pipe is
manufactured from stainless steel that meet
the specifications stated in AS/NZS 2918, as
stainless steel can be damaged by excessive
stress in thelock forming processor byfaulty
machinery.
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