Osburn OB04010K Installation And Operation Manual page 45

6.3.7.2 Framing when installing a fresh air intake kit or a forced air kit
• See Appendix 4 - Installing the Fresh Air Intake Kit for installation instructions of a fresh air intake kit
(L).
• See section Appendix 2 - Forced Air Distribution Kit* (VA4460
air kit (K).
Refer to the building code or the local code for regulations concerning the need to install finishing material
inside the chase around the fireplace.
FLEXIBLE PIPE IN THE FRAMING ENCLOSURE MUST NOT BE WITHIN STANDOFFS.
J
M
* The fresh air intake kit may be installed on the right side and at the bottom of the fireplace. Forced air
distribution kit may be installed on either side of the fireplace.
HORIZON – Installation and Operation Manual
MINIMUM MEASUREMENTS
FOR FRESH AIR INTAKE (J)*
6" (152 mm)
)
for more details on installing the forced
CAUTION
MINIMUM MEASUREMENTS
FOR FORCED AIR KIT (M)*
10" (254 mm)
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