Glow-worm Swift flow 120 Installation Instructions Manual page 15

7.1 Flue Length
For a rear flue, measure the distance from the outside
wall face to the boiler mounting wall. Check that the
flue length will be suitable, see diagram 3.1 for a
standard flue system or diagram 3.3 for a 2 or 3metre
flue system.
For a side flue, measure the distance from the outside
wall face to the side of the boiler mounting frame.
Check that the flue length will be suitable, see diagram
3.2 for a standard flue system or diagram 3.4 for a 2 or
3metre flue system.
7.2 Rear Flue
Note. Do not cut the flue duct at the pre-drilled end.
Mark the air duct/terminal assembly and the flue duct at
the lengths shown in diagram 7.1 then cut to length,
cutting square and removing any burrs.
7.3 Side Flue
Note. Do not cut the flue duct at the pre-drilled end.
Mark the air duct/ terminal assembly and the flue duct at
the lengths shown in diagram 7.2 then cut to length,
cutting square and removing any burrs.
7.4 Flue Assembly
Locate the flue duct, drilled end, onto the flue elbow and
secure with screw supplied in loose items pack, see
diagram 7.3.
Slide the spacer onto the flue duct.
Locate the flue duct/elbow into the air duct/terminal
spigot and the air duct/terminal into the flue elbow
making sure of the correct alignment of top. Drill the air
duct and secure/seal (external fixing, do not seal) as
shown in diagram 7.3.
FLUE ELBOW
FLUE DUCT
Supplied By www.heating spares.co Tel. 0161 620 6677
7 F l u e P r e p a r a t i o n
AIR DUCT/
TERMINAL
SECURING
SCREW (1)
15
"X"
OUTSIDE
WALL
FACE
"X" plus 110
(FLUE DUCT,
AIR DUCT/TERMINAL ASSEMBLY)
"Y"
"Y" plus 172
(FLUE DUCT,
AIR DUCT/
OUTSIDE
TERMINAL
WALL FACE
ASSEMBLY)
SIDE OF
BOILER
MOUNTING
FRAME
SEALING TAPE
FLUE
3mm Drill
SPACER
BOILER
MOUNTING
WALL
Diagram 7.1
Diagram 7.2
FLUE DUCT/
ELBOW
Diagram 7.3
220674B