Of Plug-In Replacement For Coleman Mach 15 AC Unit On 2016 Keystone Impact TT Toy Hauler
Updated 11/13/2025 | Published 10/16/2025
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Question:
Im looking for a direct replacement for a coleman mach 15 48254c869. Do you have something plug and play? 2016 Keystone Impact TT Toyhauler with ducted system.
asked by: Shayne E
Expert Reply:
Hello Shayne, thanks for reaching out. We do have an option for replacing your Coleman Mach 15 AC, but I am sorry to say there are no plug-and-play replacements for this. Reason being is all new RV AC units changed over to a new R32 refrigerant starting in 2025. These new units are not backwards compatible with old pre 2025 AC systems. So you will need to replace your rooftop unit, controller, distribution box and thermostat. For that, I recommend the following:
- Coleman-Mach Signature Mach 15 RV Air Conditioner System - Ducted - 15,000 Btu - Polished White # CM52RR
This comes with everything needed to replace your AC system. This is for a ducted system. We also have this with a black AC unit part # CM42RR.
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Product Page this Question was Asked From
Advent Air RV Air Conditioner - 15,000 Btu - White - R32
- RV Air Conditioners
- AC Unit Only
- Cool Only
- 15000 Btu
- 115V
- Single Zone
- Rooftop
- Ducted
- Ductless
- White
- Advent Air
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Jesse M.
11/13/2025
Hey Shayne, how did things go with the Coleman-Mach Signature Mach 15 system for your Keystone Impact? Your experience could point others toward the best way to handle the new R32 setup.