Century FW3000 Installation And Operation Manual page 44

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
FW3000 Front ► 37holes of 0.172"
Middle front ► 37 holes of 0.172''
Middle rear ► 37 holes of 0.172''
Rear ► 37 holes of 0.172''
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