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Ember flueing
Every gas fire requires a flue system that will draw effectively and clear
flue products safely under all potential wind and climatic conditions. It
is the responsibility of the installer to ensure the appliance is provided
with an effective flue.
Some guidelines to assist with flue design are detailed below. These
must be read and modified as necessary depending on the installation.
The Ember must be installed with an approved flue system, approved
components are shown in this guide.
General flueing guidelines
Flue clearance to combustibles
Flueing for the Rinnai Ember, depending on
the installation is comprised of three main
components:
flexible aluminium flues that come straight
-
off the fire
galvanised steel colinear to coaxial adaptor
-
(stainless steel inner)
galvanised steel outer, aluminium inner
-
coaxial flue
These all have slightly different clearances to
combustibles.
Flue cowl clearance
To ensure products of combustion are cleared,
adequate clearance from the building is
required.
The flue cowl should have a 500 mm clearance
from any part of the building. This also applies
to steeped and pitched roofs where the flue
cowl should be 500 mm clear of the ridge line.
An adequate flow of fresh air must exist around
the flue cowl following installation.
Minimum clearances are shown in
AS/NZS 5601.1.
30 | Ember Installation Guide: 12890-F 06-21
Coaxial flue
10 mm from the outer flue to a
combustible surface to allow
for expansion and contraction
of the outer flue components.
Ember adaptor (transition)
25 mm clearance to a
combustible surface―the
underside of the adaptor has
zero clearance and can be
installed straight into wooden
support joists.
Ø 100 mm exhaust flexi flue
Requires a 50 mm clearance to
combustibles.
Ø 75 mm intake flexi flue
Requires a 50 mm clearance to
combustibles.
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