Osburn OB04010K Installation And Operation Manual page 67

The fresh air intake kit may be installed on two different places on the fireplace.
1- On the right side of the appliance (most common).
2- On the right side under the appliance.
1. Remove the knock out located on the right-hand side of your fireplace.
2. Install the 5" adapter included in your fireplace. Align the notch on the adaptor with the one on the
fireplace and turn clockwise.
HORIZON – Installation and Operation Manual
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