Glow-worm swift flow 75e Installation Instructions Manual page 14

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 1, 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 1, 2 or
3metre flue system.
All flue systems are installed in a similar manner to the
standard flue.
7.2 Rear Flue
Mark the air duct assembly and the flue duct at the
lengths shown in diagram 7.1 and 7.2, then cut to length,
cutting square and removing any burrs.
7.3 Side Flue
Mark the air duct assembly and the flue duct at the
lengths shown in diagram 7.1 and 7.3 then cut to length,
cutting square and removing any burrs.
221138C
7 F l u e P r e p a r a t i o n
FLUE
TERMINAL
FLUE TERMINAL
OUTSIDE
WALL
FACE
REAR DUCT
STANDARD - LONG
SIDE FLUE DUCTS
STANDARD OR LONG
14
22
63
FLUE
DUCT
OUTSIDE
WALL
FACE
X + 173
( AIR DUCT ASSEMBLY)
X
X + 125
( FLUE DUCT )
Y + 181
(FLUE DUCT)
Y
Y + 229
(AIR DUCT
ASSEMBLY)
SIDE
OF
OUTSIDE
BOILER
WALL
MOUNTING
FACE
FRAME
Diagram 7.1
BOILER
MOUNTING
WALL
Diagram 7.2
Diagram 7.3