andrews MAXXflo Installation, Operation And Maintenance Manual page 22

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SECTION 3 • INSTALLATION
CWH30 & CWH60 ALTERNATIVE FLUE SYSTEMS
CWH30 & CWH60 Alternative Flue Systems
135
Paint:
RAL 7012
Flat roof Flashing
E065
Angled roof
flashing
E066
CWH30 max 50M Conventional
CWH60 max 20M Conventional
CWH30 max 14M Concentric
CWH60 max 12M Concentric
Over 1.5M use flue
Condense trap.
Condense Tap
To
drain
Can be cut to suit
roof structure
MAXXflo Water Heater
Minimum between
Vertical terminals
Minimum between balanced
flued horizontal terminals
For concentric flue runs
reduce overall length by:
1.2M when using 90º bend
0.7M when using 45º bend
and 1.5M when using
condensetrap
Can be cut
to suit roof
structure
300mm
CWH30 max
50M Conventional
CWH60 max
20M Conventional
CWH30 max
14M Concentric
CWH60 max
12M Concentric