Classic
FF
-
Installation & Servicing
21
INSTALLATION
REAR & SIDE FLUE OUTLET
1. A
maximum of 2 extension ducts (plus the standard flue
duct) may be used together.
2. Flue extensions of greater length than 1m (39") should be
supported with the bracket provided. If the stand-off
brackets have been used it is necessary, in order to keep
the flue aligned, to use the spacer bracket with the
support bracket.
34 FLUE EXTENSION DUCTS - continued
Flue length
Extension duct
Flue connector
Standard flue
Terminal grille
Boiler
Extension
tube
*
Not for FF 3 100 model
35 FITTING THE KIT
1. Remove the cardboard support aid from the
flue and place safely to one side.
2. Fit the inner flue extension duct onto the
inner flue duct.
3. Fit the outer flue extension duct onto the
outer air duct.
4. Drill 3 - 3.2mm (
1/8
") dia. holes through the
outer air duct.
Do not drill the inner flue
duct.
5. Insert the self tapping screws provided to fix
the air duct in position.
6. Repeat steps 1-5 if a second flue extension
is required.
Flue length
Accessories
Product No.
Up to 600
B Pack 1 off
see Frame 8
600 to 1550
*
B Pack 1 off + D Pack, 1 off
see Frame 8
1550 to 2500 *
B Pack 1 off + D Pack, 2 off
see Frame 8
2500 to 3000 *
B Pack 1 off + D Pack, 3 off
see Frame 8
General arrangement
Note.
Side flue shown.
