Model type of tube – Osburn OB04002 User Manual
Page 94
Stratford
Fireplace Installation and Operation Manual
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Important Notes:
The air tubes are identified for placement as follows:
Model
Type of tube
Stratford fireplace
Front ► 95 holes of 0.141"
Middle front ► 67 holes of 0.125’’
Middle rear ► 67 holes of 0.109’’
Rear ► 67 holes of 0.101’’