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3.27 Horizontal and Vertical Flue Kits
25
Note
The overall length does not include the 1m terminal.
The 1m terminal is not to be included in determining the
overall length of the flue.
3.26.1 Maximum Flue Distances (Horizontal or
Vertical)
Number of 90° Elbows
0
1
2
3
Note
Each 45° elbow reduces the maximum flue distance by
700mm (2ft 3in).
IMPORTANT: Do NOT exceed the flue distances or
the number of elbows listed above. This may cause
heater malfunction or unsafe conditions.
3.27.1 Installation procedure
1. The horizontal and vertical flue kits available from
Andrews Water Heaters includes the components as
listed within this document. The concentric flue pipe
system includes both the flue exhaust (inside pipe) and
combustion air (outside pipe). The flue pipe may be cut
on the unflared end (end without gasket) as required for
installation.
2. Determine if additional flue components are required for
installation. Refer to the flue component information
later in this document for available optional flue
components.
3. Ensure that the flue terminal location complies with
requirements described within this manual and the
Local Codes of Practice.
4. Measure the vertical and horizontal distance from the
water heater flue connection to determine the number
of components required.
Installation
Maximum length of straight pipe
(excluding flue terminal)
to exterior wall
16m (52ft 6in)
14.8m (48ft 6in)
13.6m (44ft 7in)
12.4m (40ft 7in)
3
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