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Recommended Replacement Air Conditioner for a Dometic Model 620515.331 Air Conditioner  

Updated 05/21/2024 | Published 05/14/2024

Question:

My Class B+ RV Leisure Travel 2009 Serenity currently has an older 2009 Dometic Model 620515.331 Air Conditioner. Will the Advent Air Replacement RV Air Conditioner for Dometic Setup - Start Capacitor - 13,500 Btu - White Item ACDOM135 work as a replacement? The current unit has a heat strip, but I dont care about that... just need the AC replaced. Thank you. Jeff

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Expert Reply:

Yes, it will! The Advent Air Replacement RV Air Conditioner item # ACDOM135 is exactly what you need to replace your current Dometic unit. It is designed to replace old Dometic air conditioners and connects to your Dometic setup. This will allow you to continue using your current Dometic air distribution box.

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Jerred H
Jeff S. profile picture

Jeff S.

5/21/2024

Actually it does not swap out with the Dometic model that I listed. The legacy AC unit has the infamous built-in control board that does not interface with the ACDOM135. Talked with Customer Service and the only option is to order the Air Distribution Box which will allow me to hard-wire the existing leads and will have a thermostat on the unit itself. It will be direct vent, not ducted. Not ideal, but I don't see another option; hopefully that will, at least, work...


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