15
F
F
I
I
G
G
5
5
G
G
E
E
N
N
E
E
R
R
A
A
L
L
L
L
A
A
Y
Y
O
O
U
U
T
T
O
O
F
F
M
M
K
K
3
3
D
D
E
E
C
C
K
K
F
F
L
L
A
A
N
N
G
G
E
E
A
A
S
S
S
S
E
E
M
M
B
B
L
L
Y
Y
.
.
These chimneys must be fitted in accordance with the manufactured instructions and
current building regulations.
Avoid using bends greater than 45 deg to the vertical; all flue pipe sections should be as
close as possible to the vertical.
Single wall flue pipe to BS 1344 part 3 is suitable for connecting from the appliance to the
chimney but it is not suitable for using as a complete chimney.
When fitting single wall flues always make sure that they are fitted socket uppermost and
spigot down. (Note that spigot is the reduced end.)
If it is found that there is an excessive draw in the chimney a draft stabiliser must be
fitted.
It is important that there is sufficient draw in the chimney and that the chimney does not
suffer from down drafts.
The flue draft test hole should be drilled into the chimney as close to the appliance as
possible but before any flue draft stabiliser. After taking readings the test hole should be
To Next Page
Loading...