20
Classic Slimline FF - Installation & Servicing
INSTALLATION
General arrangement
Note.
Side flue shown.
A maximum of 1 extension duct (plus
the standard flue duct) may be used
together.
34
FLUE EXTENSION DUCTS - continued
Flue length
Extension duct
Flue connector
Standard flue
Terminal grille
Boiler
Extension
tube
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.
Flue length Accessories Product No.
Up to 600 B Pack 1 off see Frame 10
600 to 1000 B Pack 1 off + D Pack 1 off see Frame 10
REAR & SIDE FLUE OUTLET