Century CB00004 Installation And Operation Manual page 42

Century FW3000 Installation and Operation Manual
Note that secondary air tubes (A) can be replaced without removing the baffle board (B).
Important Notes:
The air tubes (3/4" diameter) are identified for placement as follows:
Model Type of tube
Front ► 37holes of 0.172"
FW3000
Middle front ► 37 holes of 0.172''
Middle rear ► 37 holes of 0.172''
Rear ► 37 holes of 0.172''
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