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How to Determine if Advent Air Conditioner Will Replace Dometic Air Conditioner With Thermostat  

Updated 10/12/2026 | Published 07/17/2019

Question:

Will the advent 15000 BTU replace a dometic 15000 btu unit. The q&a shows that it will for ducted analog but I have a digital thermostat.

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Expert Reply:

There may be a unit that will replace your Dometic with a thermostat; you will be able to use the Advent Air Replacement RV Air Conditioner for Dometic Setup # ACDOM150B (Black) or # ACDOM150 (White) if your Dometic relay kit is the Comfort Control Center Model 3109226.005.

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Kyle S
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Brittany profile picture

Brittany

10/11/2026

I’ve taken the face plate off of my thermostat and I don’t see a model number. My unit is a 1989 Travel supreme fifth wheel.

Robin H. profile picture
Etrailer Expert

Robin H.

10/12/2026

@Brittany are you trying to check for compatibility to replace the AC? The thermostat doesn't matter in this case. Everything has moved to R32 and complete system replacement is required.

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