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Installation and Operation Manual - Osburn 3500
APPENDIX 3: OPTIONAL FRESH AIR INTAKE KIT INSTALLATION
This mobile home approved wood fire requires installation of a fresh air intake kit (A) and an
insulated fresh air intake pipe (HVAC type, must meet ULC S110 or UL 181 class 0 or class 1) (B),
sold separately. Refer to air intake kit installation instructions for more details.
A
B
A
B