Can The Advent Air Low Profile RV Air Conditioner # ADV29FR Replace A Coleman Mach AC Unit
Updated 11/03/2025 | Published 12/30/2024
Question:
Will this replace a 8333 b6 xx Coleman mach?
asked by: Robert A
Expert Reply:
Hey Robert,
The Advent Air Low Profile RV Air Conditioner # ADV29FR could potentially work with your Coleman Mach system but you'll need to verify a few things first. You'll want to remove the cover to your air distribution box inside the RV and look for the controller and wire harness that hangs down from the rooftop unit and plugs into the controller. If the controller isn't mounted in ceiling and is instead mounted inside the rooftop unit you'll need to replace the entire system. Coleman uses a 9-pin harness for their units so you'd also need an adapter # ACCOLKIT in order to plug in the new unit.
This new unit does not have a heat pump built into so you'd be losing that function if you previous unit had it. If your system has two rooftop units being controller by one thermostat the # ADV29FR will not be compatible.
Personally, I would go with the Furrion Chill HE Replacement RV Air Conditioner for Coleman Setup - 15,000 Btu # FR42PV instead. It comes with the same adapter harness to plug in with and has been known to be more compatible with other branded systems compared to Advent units. I've attached a couple of installation videos below where John and I will help walk you through the installation processes for these parts. If you have any other questions or want to discuss some other options just let me know below in the comments.
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on RV Air Conditioners
Kate F.
11/3/2025
Hey Robert, how did things turn out with the Furrion Chill HE air conditioner for your Coleman setup? Your update could make it easier for the next person trying to match a replacement unit.