Century CW2900 Insert Installation And Operation Manual page 55

CW2900 Installation and Operation Manual
Note that any secondary air tubes (A) can be replaced without removing the baffle board
(B).
Important Notes:
The air tubes are identified for placement as follows:
Model
Osburn 2000
Type of tube
Front ► 30 holes of 0.147"
Middle front ► 30 holes of 0.136''
Middle rear ► 20 holes of 0.128''
Rear ► 15 holes of 0.128''
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