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Combi 70 & Combi 90 Oil Boilers
4 - BOILER INSTALLATION
To fit a concentric (round) low level, high level or
vertical balanced flue, refer to the instructions
supplied with the kit.
1 Lift off the boiler case top panels. Remove and
discard the appropriate blanking panel from the
rear or side of the boiler casing as required.
2 Unpack the flue kit.
3 Place the circular fibre gasket into the boiler flue
spigot. See Fig. 21.
6 Ensure that the flexible air tube hanging bracket is
positioned correctly. See Fig. 24.
7 Turn the domed nut of the flue elbow clamp clockwise
until the elbow is clamped to the boiler. Tighten the
domed nut using a spanner. See Fig. 24.
Fit a low level balanced flue (square only)
4.5
Fig. 21
4 Take the flue elbow and pass it through the hole in
the boiler casing. Fit the flue elbow flange onto the
boiler flue spigot ensuring that the clamp passes
through the hole in the top of the boiler as shown in
Figs. 22 and 23.
5 Ensure that the elbow is located centrally in the
boiler spigot, and is facing in the required
direction.
Fig. 22
Fig. 23
Fig. 24
8 Extend the telescopic flue assembly to the
approximate required length. Offer the flue
assembly up to the flue elbow ensuring that the
assembly is in line with the elbow and engage the
flue pipe over the elbow. See Fig. 25.
Holding the stainless steel terminal section of the
kit, push the flue assembly together until the
rectangular wall sleeve is just inside the boiler
casing.
Fig. 25
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