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8.0 Installation
23
8.7 Fitting The Flue
HORIZONTAL FLUE
1. The standard flue is suitable for lengths between
100mm minimum and 685mm maximum, as measured
from the edge of the flue elbow outlet to the joint
between the terminal and air duct (Fig. 20).
2. Locate the flue elbow on the adaptor at the top of
the boiler. Set the elbow to the required orientation
(Fig. 21).
NOTE: The flue elbow is angled at 93 degrees to
ensure a fall back to the boiler.
3. Measure the distance from the outside wall face to
the elbow. This dimension will be known as ‘X’ (Fig. 22).
4. To dimension ‘X’ add 50mm. This dimension to be
known as ‘Y’.
IMPORTANT: Check all dimensions before cutting.
Wall Thickness
(X)
Wall Thickness
(X)
Fig. 22
Flue Elbow
100mm
685mm
Adaptor
Fig. 20
Fig. 21