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Replacement Rooftop AC Unit For A 2016 Grand Design Solitude 375RE  

Updated 01/12/2026 | Published 08/27/2024

Question:

Hello I have a 2016 grand design solitude 375re 5th wheel rv. I need to replace my ac unit which is a domestic briske II I’m wanting to replace it with the best AC unit you guys have to offer. Which unit would be plug and play with my systems? My system is ducted and dual zoned. Other ac is fine just need to replace one.

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Expert Reply:

Hey Brian,

To determine the correct replacement we'll need to see what style connector(s) your current rooftop unit has. Most units will typically have a 6-pin or 9-pin connector but Dometic has a few other styles of units with multiple connectors to go between the unit and the controller. If you remove the cover to the air distribution box you should see some wiring coming down from it.

You can also check the unit for any stickers listing the model number and I can look up the correct replacement.

expert reply by:
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Kevin C
6-pin and 9-pin connectors
6-pin and 9-pin connectors
(click to enlarge)
Robin H. profile picture
Etrailer Expert

Robin H.

1/12/2026

Hey Brian, were you able to find the connector type or model number on your Dometic Brisk II unit? Once you have that info, I can help confirm which replacement will plug right in. Let me know what you find so we can narrow it down.

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