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5.
Position the smaller Easy-Flue 40 mm clamp (with seal) supplied, over the bend. Fit the bend to the boiler and rotate to
the correct position. Secure in position using the clamp. Ensure the clamp is located centrally over both the bend and
boiler adaptor.
6.
Fit the inside (white) flue sealing collar over the Easy-Flue. If it was not previously fitted, fit the outside (black) flue
sealing collar onto the flue immediately before the terminal grille onto the location provided.
7.
Slide the larger Easy-Flue 45 mm clamp over the outer duct and pull the flue assembly towards the bend, locating the
inner duct into the seal joint on the bend. Ensure the labels marked 'TOP' are positioned at the top before securing the
flue assembly to the bend with the clamp (two screws) located centrally over the joint.
Note: Check the flue terminal protrudes 120 mm out of the wall and the inner duct of the terminal is positioned correctly
(see Fig. 5.9).
8.
Make good the inside wall by pushing the inside flue sealing collar up to the wall.
The hole around the flue can be made good using the flue sealing collars supplied or using a suitable sealant/cement if
required.
Ensure the inner duct within
the terminal is at the top.
Note:
The inner duct must
be positioned to slope towards
the boiler
Flue sealing collar
5.7
REDUCING THE FLUE - Fig. 5.10
When the flue length required is less than the minimum stated in Section 4.5, paragraph 1, refer to Fig. 5.10.
Discard the first telescopic section (not the section with the terminal) of the Easy-Flue 1000 mm or 500 mm and cut to the
required length.
Note: Ensure that all cuts are square and free from burrs.
Once assembled with the components pushed home, the flue is fully sealed.
22
Alpha E-Tec Plus 28, 33 and 38 - Installation
130 mm
Fig. 5.8 - Fitting the flue from inside
Inner duct seal
120
20
Terminal
65
Note: Ensure the outer flue duct is horizontal
Fig. 5.9 - Rear flue
Allow 20 mm
Do not cut past this point
CD Easy-Flue
40 (85 if wall jig used)
135 (180 if wall jig used)
30 mm
Fig. 5.10
Check collar is sealing
the wall and it is not
restricting any openings
of the flue terminal
Inner duct
Easy-Flue 45 mm clamp
Elbow seal joint
90° bend
Easy-Flue
40 mm clamp
and seal
Side of boiler
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