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Replacement AC Unit Options For Older Dometic 459516.701C0 In Travel Trailer  

Updated 06/02/2026 | Published 05/27/2026

Question:

I have a Dometic 459516.701C0 camper ac unit that I want to replace only the top ac unit with one that can just plug into the existing dometic wiring. Will one of your Advent units do that? If so, which unit and model?

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Expert Reply:

Hey Jack, you may be able to find some old stock or a used unit somewhere, but that compatible Advent part has been discontinued. You'll want to replace the whole system with a modern R32 refrigerant system. I know that's not the news you were hoping for, so I'd try looking for an old stock ac unit that matches your old Dometic or that is the Advent unit compatible with Dometic, just make sure it's the older R410A refrigerant that you currently have, otherwise it won't be compatible.

If you decide to bite the bullet and go with a new system, I can't speak more highly of a product than the Furrion Chill Cube. This model is among the most efficient systems out there due to the variable speed compressor which adjusts rpm based on load. It also has the ability to use the included remote as a thermostat in case you didn't want to wire up the included thermostat.

These models also have a nice heat pump to help out with the chilly mornings so you don't run the furnace all the time. It's not a replacement for the furnace in the middle of winter though. The wiring is fairly straight forward when wiring everything up, but we have an installer locator if you need to find a shop to help out: https://www.etrailer.com/installer/near-me

There are a few different variations depending on your setup, so I'll list them here:

-Furrion Variable Speed Chill Cube RV AC w/ Heat Pump - DUCTED - 18K Btu - BLACK # FR97TQ
-Furrion Variable Speed Chill Cube RV AC w/ Heat Pump - DUCTED- 18K Btu - WHITE # FR67TQ
-Furrion Variable Speed Chill Cube RV AC w/ Heat Pump - DUCTLESS- 18K Btu - BLACK # FR87TQ
-Furrion Variable Speed Chill Cube RV AC w/ Heat Pump - DUCTLESS- 18K Btu - WHITE # FR77TQ

What kind of travel trailer do you have Jack?

expert reply by:
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Andrew N

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