Flat roof Flashing
E217
Can be cut
to suit roof
structure
E218
Angled roof
flashing
Can be cut to suit
roof structure
5
3
0
INSTALLATION
SECTION 3
23
CWH90 & CWH120 Alternative Flue Systems
Condense Tap
drain
To
Over 1.5M use flue
condense trap.
1.2M when using 90
º
bend
0.7M when using 45
º
bend
1.5M when using condense trap
For concentric flue runs
reduce overall length by:
1
0
Minimum clearence
between vertical
balanced flue terminals
Minimum clearence
betweenbalanced
flue horizontal terminals
600mm
1
.5
M
2
5
8
CWH90 max 50M Conventional
CWH1 2 0 max 4 0M Conventional
CWH90 and CWH1 2 0 max 1 4 M Concentric
P
ai
n
te
d
B
la
ck
MAXXflo_Manual_Dec08_QX2 12/1/09 1:13 pm Page 26
Summary of Contents for CWH120/200
Page 43: ......