Replacement RV AC Unit for Dometic DUO Therm AC Unit

Question

Question:

Is this compatible with the domectic duo therm four wire thermostat?

asked by: Nikolaus H

1

Helpful Expert Reply:

We have a version of the 15k btu Advent Air AC unit that is a compatible replacement for the Dometic Duo Therm units with the part # ACDOM150 which will allow you to use your current Dometic thermostat. It will use same connector too so there isn't any additional wiring needed.

expert reply by: Jameson C

1

Answer 1

Hey Doug welcome back! To replace your Dometic Duo-Therm 57915.331, I recommend the Advent Air RV Air Conditioner System item #ADV92SR in white or item #ADV62SR in black. There's no way to just replace your AC unit, you'll need to replace all…

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Answer 2

If you're replacing the controller you would want to replace the entire system. Your system's rooftop unit hasn't been confirmed to work with a different controller and with yours not having a 6 or 9-pin connector you'd have no way of…

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Answer 3

The only difference between the Advent Air RV Air Conditioners #ACM150 and #ACDOM150 is that the latter comes with the Start Capacitor for Advent Air RV Air Conditioners #ACMSCKIT. If you wanted to you could buy the Advent Air RV Air Conditioners…

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Answer 4

Hey Maurice! We no longer recommend swapping out just the AC unit since there have been a lot of compatibility issues. Also, everything is switching to the new R32 refrigerant due to the new 2025 EPA regulations. The old parts for R410A units are…

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Answer 5

Hey Eli! The Advent Air RV Air Conditioner System #ADV92SR you ordered is not compatible with a Dometic Duo Therm. However, it really doesn't matter. This is a new R32 refrigerant unit so it won't be backwards compatible with any of the old…

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Answer 6

Hey Daniel, yes the Advent Air AC Unit part #ADV86SR that you referenced can replace your current Dometic Brisk B59516 that you have now. This is very similar to the Brisk and Duo Therm units so it can replace them and use the same wiring and…

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Answer 7

Hey George, you can upgrade your Duo Therm to an Advent Air but you have to go with a new lower unit at same time so instead of the #ADV86SR you'd need the part #ADV92SR which comes with the lower unit as well as a thermostat. At one point we…

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Answer 8

Hello again, Mike. The best way to resolve this is to simply replace your distribution box at the same time as your AC unit. The distribution boxes are not terribly expensive, and that way you would be able to plug the AC right in without any cutting…

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Answer 9

In order to find out if there is a replacement air conditioner that will allow you to use your existing Coleman Mach El wiring and distribution box you need to know what model it is. I have added documents from Advent which show the compatibility of…

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Answer 10

Replacement rooftop units like the Advent Air Replacement RV Air Conditioner for Dometic Setup w/ Start Capacitor - 15,000 Btu - White #ACDOM150 use the 6-wire adapter to connect to the air distribution box which would have the controller inside of…

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Answer 11

Hey Tina, You'd want the Advent Air Replacement for Dometic setups part #ACDOM150 which was designed specifically for replacing a Dometic unit. This will bolt right up in place of what you have now and allow you to continue using the current…

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Answer 12

I checked with our vendors and we do not have a replacement 3106996.030 relay board. The most cost effective and easiest way to replace your Dometic Duo Therm 620426.321 AC Unit is to use the Advent Air Replacement RV Air Conditioner for Dometic…

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