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Osburn 3500 User Manual

Osburn 3500
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Page 43
Installation and Operation Manual - Osburn 3500
APPENDIX 5: AIR TUBES AND BAFFLE INSTALLATION
1. Starting with the rear tube, lean and insert the right end of the secondary air tube into the rear
right channel hole. Then lift and insert the left end of the tube into the rear left channel.
2. Align the notch in the left end of the tube with the key of the left air channel hole. Using a «
Wise grip » hold the tube and lock it in place by turning the tube as shown. Make sure the notch
reaches the end of the key way.
3. Repeat steps 1 and 2 for the second tube in the back then install the baffle before installing the
two front tubes.
4. To remove the tubes use the above steps in reverse order.

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Osburn 3500 Specifications

General IconGeneral
Maximum Output110, 000 BTU/h
Firebox Volume3.5 cu. ft.
Maximum Log Length22 inches
Chimney Diameter6 inches
Weight550 lbs
Burn Timeup to 10 hours
Firebox MaterialSteel
Door MaterialCast Iron
Efficiency77%
Depth33.375 inches

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