Replacement AC With Remote for Dometic Duo-Therm on 2003 Forest River Cardinal 5th Wheel
Updated 09/02/2025 | Published 08/11/2025
Products Featured in This Question
Question:
Good morning, I have a 2003 Forest River Cardinal 5th wheel, and I want to change the original ducted AC unit on it. It is a Due-Therm, Quick cool unit with a Duo-Therm thermostat with these numbers 0n it. 3107612.008 0233. The ac unit numbers are 5 1W0119530000 Rev c 26715 GD 3106341-021-A Aug 7th 02 I want to keep the thermostat working the heating unit. I would really like one with a remote if possible. The more CFM possible would be a big help. Can you get me a full package to replace mine? Thanks, Erich
asked by: Erich W
Expert Reply:
Hey Erich! I can definitely help you find a replacement for your Dometic Duo-Therm AC. Since you want a high capacity and a remote the new Furrion Chill Cube is exactly what you're looking for. This unit is also incredibly quiet and efficient. It has an 18,000 Btu capacity and uses a variable speed compressor to keep everything nice and cool without being overkill for the space. There are controls on the air distribution box as well as the remote which acts as the thermostat. You can choose from the following:
-Furrion Chill Cube RV Air Conditioner w Air Distribution Box - Ducted - 18,000 Btu - Black # FR39TD
-Furrion Chill Cube RV Air Conditioner w Air Distribution Box - Ducted - 18,000 Btu - White # FR99TD
The AC and will run independently so you can run your furnace off the old Dometic heater. It is also worth mentioning that all of the AC systems have moved to the new R32 refrigerant like this one. The new systems are not backwards compatible with the old R410A parts so no matter what you're looking at complete replacement. The Chill Cube keeps it pretty simple since it can run without a wall thermostat and it is the only one with a remote.
Any plans with your Forest River Cardinal before summer wraps up?
(click to enlarge)
Product Page this Question was Asked From
Furrion Chill Cube RV Air Conditioner w Air Distribution Box - Ducted - 18,000 Btu - Black
- RV Air Conditioners
- Complete AC System
- Cool Only
- 18000 Btu
- 115V
- Single Zone
- Rooftop
- Ducted
- Black
- Furrion
more information >
Featured Help Information
Miscellaneous Media
Continue Researching
- Q&A: Will a Furrion Chill Cube RV Air Conditioner Fit the Some Cutout as a Dometic AC?
- Q&A: How Does Ducted System Work With Furrion Chill Cube
- Q&A: How to Use Furnace With Furrion Chill Cube on 2017 Keystone Cougar 327RES
- Q&A: Difference Between Furrion Chill Cube FR39TD and FR49TD
- Q&A: Will Furrion Chill Cube Thermostat Work With Furnace With 1 or 2 Speeds
- Q&A: How Does The Furrion Chill Cube Thermostat Get Wired To The AC System
- Q&A: Reason Why Furrion Chill Cube w/ Heat Pump Isn't Backwards Compatible With 2024 And Earlier Systems
- Article: Trailer Wiring Diagrams
- Article: Parts Needed to Add Electric Drum Brakes to a Trailer
- Article: What are the Common Types of Propane Fittings Used on RVs?
- Article: Wiring Trailer Lights with a 4-Way Plug (It's Easier Than You Think)
- Article: 4 Steps to Choosing Your 5th Wheel Pin Box
- Article: How to Choose the Best RV AC Unit (2025)
- Article: 30-Amp and 50-Amp RV Service: What's the Difference?
Robin H.
9/2/2025
Hey Erich, did you decide to go with the Furrion Chill Cube for your Forest River Cardinal? I'm curious to know how it worked out for you, especially with the remote feature and high capacity. Your experience could really help others looking to upgrade their AC units.