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10.10 Flue Fitting
Remove the ue elbow.
Separate the ue duct from the terminal by twisting to release
the terminal catch, then pull out of the retaining seal, refer to
diagram 10.17.
The ue duct cutting length (L + 11mm.) is shown in diagram
10.17.
The air duct should be cut at the opposite end to the terminal
The plastic ue duct MUST be cut at the opposite end to the
terminal catch.
The plastic ue duct extensions MUST be cut at the opposite
end to seal.
The cut ducts must be de-burred and all lings and debris
removed.
Insert the ue duct into the air duct terminal assembly,
remembering to engage the catch within the terminal.
NOTE: If the seals require lubricant to ease installation, do
not use mineral oils or grease, only silicon grease or water is
recommended.
Fit the sealing collar behind the locating lugs on the ue
terminal, see diagram 10.18.
Push the ue assembly into the wall, externally or internally,
initially until the end of the assembly protrudes a short way
from the inside face of the wall. This will enable the internal
trim ring (if required) to be positioned and allow the ue
assembly to be drawn back into the ue elbow.
Secure the ue elbow in position on top of the boiler with four
torque headed screws supplied.
Draw the ue assembly from wall and engage the ue duct
into the elbow and butt t between the air duct and ue elbow.
Ensuring the correct alignment of the terminal.
Fit the securing collar into position, mark through two of the
pre drilled holes in the securing collar. Remove securing
collar and drill two 3mm diameter holes one in the elbow and
one in the air duct, take care not to pierce the inner ue duct.
Fit the securing collar and secure with screws provided, see
diagram 10.18.
Slide the internal trim ring back against the wall, securing in
place with a small amount of sealant if required.
NOTE: If the air and ue ducts have been correctly cut to the
instructions the sealing collar should t ush with the outside
wall, check this.
Diagram 10.17
12847
10 Standard Flue - Length, Preparation and Installation
Diagram 10.18
12658
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