How Big Of A Roof Opening Is Required For The Advent Air Low Profile RV Air Conditioner # ADV79FR
Updated 02/17/2026 | Published 06/10/2024
Question:
How big of an opening is required for this ac unit? Advent Air Low Profile RV Air Conditioner - 13,500 Btu - White Item ADV79FR
asked by: Ray L
0
Expert Reply:
Hey Ray,
The Advent Air Low Profile RV Air Conditioner # ADV79FR follows the industry standard cutout hole sizing of 14" x 14". If you're replacing an existing rooftop unit and keeping your current air distribution box and thermostat then you'll want to just make sure that the old rooftop unit has a 6-pin connector. If it ends up having a 9-pin connector then you'll need to pick up an adapter # ACCOLKIT as well.
expert reply by:
Kevin C
0
6 and 9 Pin Connectors
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(click to enlarge)
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Jameson C.
2/17/2026
Hey Ray, how did things go with the Advent Air Low Profile RV Air Conditioner and the 14 x 14 opening? Your update could make it easier for the next person replacing their rooftop unit.