Replacement AC Unit for a 2017 Grand Design Reflection 303 RLS
Updated 08/18/2025 | Published 07/23/2025
Products Featured in This Question
Question:
Will the advent adv26sr ac fit and work for my 2017 reflection 303 rls.
asked by: Johnnie M
Expert Reply:
Hey Johnnie. The Advent Air RV Air Conditioner item # ADV26SR will indeed work in your 2017 Grand Design Reflection 303 RLS but you'll also need the compatible air distribution box. This AC unit has the new R32 refrigerant which are not compatible with the old R410A units. Plus their parts are being phased out.
The Advent Air RV Air Conditioner System - Manual - 15,000 Btu - Black - R32 item # ADV42SR has the item # ADV26SR AC unit, along with an air distribution box, and start capacitor. This kit works with ductless set ups and has everything you need to replace your old system and upgrade.
The Advent Air RV Air Conditioner System - Single Zone - 15,000 Btu - Black - R32 item # ADV62SR is the one you'll need for a ducted set up. It comes with a thermostat.
What kind of of AC system do you have now and is it ducted or ductless?
Johnnie M.
8/15/2025
It was ducted wih open dump vevt. the new unit works great. Thanks for the help.
Jerred H.
8/18/2025
Product Page this Question was Asked From
Advent Air RV Air Conditioner System - Manual - 15,000 Btu - Black - R32
- RV Air Conditioners
- Complete AC System
- Cool Only
- 15000 Btu
- 115V
- Single Zone
- Rooftop
- Ductless
- Black
- Advent Air
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Jerred H.
8/15/2025
Hey Johnnie, did you figure out whether your current AC system is ducted or ductless? I'm asking to make sure we can help others who might be in the same boat. Let me know if you need any more help!