33
Flue System and
Air Supply
Figure 9-4:
Hybrid flue system using Grant Orange and Green system components
9.3 Connecting a Conventional Flue
1 - 4 Kitchen/Utility models only.
1. Lift off upper rear casing panel.
2. Remove the insulation from the
underside of the panel (do not
discard it). Carefully press out the
pre-cut flue opening in the top panel.
3. Unscrew the protective covers from
the studs on the flue dress panel
supplied in the literature pack. Place
the dress panel in position in the
rear casing top panel and secure in
place using the nuts and washers
previously removed.
4. Re-fit the insulation to the panel with
the foil surface facing outwards. With
a sharp knife cut around the edge of
the round opening in the dress plate
to leave a round hole through the
insulation for the flue.
If the Grant ‘Orange’ flue system is being
used – follow the instructions supplied
with the flue kit.
If the Grant ‘Green’ system (100 mm
rigid twin-wall flue) is to be fitted to the
boiler then the Grant CF adaptor kit
(Ref. CFA15/70)
must be used – refer to
Section 1.2.
To fit the adaptor kit, proceed as follows:
1. Fully screw the length of threaded
studding (provided in the kit) into the
nut located in the centre of the boiler
flue outlet.
2. Fit the boiler connector (from the
CF adaptor kit) over the threaded
studding.
3. Position flange on to the neoprene
gasket around the boiler flue outlet,
ensuring that small spigot on the
base of the connector is located
in the hole in the centre of the
neoprene gasket and that end of
studding passes through the hole in
the of the spacer bracket.
4. Fit washer and wing nut provided
onto the end of threaded studding
and secure connector in position by
tightening down on wing nut – as
shown in Figure 9-5.
5.
Kitchen/Utility models only -
Re-fit the rear top casing panel to
the boiler – fitting it over the boiler
connector.
Green System
components
(refer to Figure 9-9)
Orange System
components
(refer to Figure 9-3)
Boiler flue
connector
(from CFA 15/70 kit)
Adaptor
(from CFA 15/70 kit)
Boiler
