Will RV AC Unit Dometic Penguin II Replace Duo Therm Easily
Updated 09/26/2025 | Published 04/27/2025
Question:
Does the dometic penguin II replace the DUO-THERM model 600315.321 as a direct replacement? plug and play. are there any alterations needed? THis is a ducted system 20 amp circuit 13,500 btu and low profile. does the unit come with the foam seal between the unit and the roof of the rv. What is the measurement of the bolt pattern securing the unit on the inside. My mounting plate is 13 5/8 inch by 9 1/2inch center to center on the bolt hole pattern for the air intake mounting plate.
asked by: Lee
Expert Reply:
Hey Lee, I did some digging on this and found that several people have replaced an older Duo Therm with a Penguin II like the part # DMC86ZR and it was pretty simple. The wires all match color for color so it's not too difficult at all.
Product Page this Question was Asked From
Dometic Penguin II Low Profile RV Air Conditioner - 13,500 Btu - White
- RV Air Conditioners
- AC Unit Only
- Cool Only
- 13500 Btu
- 115V
- Single Zone
- Rooftop
- Ducted
- Ductless
- White
- Dometic
more information >
Featured Help Information
Instructions
Continue Researching
- Q&A: Replacement AC Unit for a Dometic B59516
- Q&A: Can I Swap Out My Brisk II for the Advent Air RV Air Conditioner System for Direct Replacement?
- Article: How to Tell the Weight Rating of a Trailer Axle
- Q&A: How to Adjust Self-Adjusting Trailer Brakes
- Q&A: Troubleshooting and How To Set Initial Adjustment of the Dexter Nev-R-Adjust Electric Trailer Brakes
- Q&A: How Do Self-Adjusting Brakes Adjust and Does it Work Going Forward or Reverse
- Article: Trailer Wiring Diagrams
- Q&A: How Loud is Dometic Penguin II Low Profile RV Air Conditioner
- Q&A: Recommended 13,500 BTU GE Appliances HE RV AC System in Ducted and Ductless
- Article: Redarc Tow-Pro Elite Full Review
- Article: Is It Illegal to Leave My Hitch on My Truck?
- Article: RV Roof Types: What Type of Roof Does My RV Have?
- Article: How to Install an RV Awning From Scratch
- Article: Replacing RV Awning Fabric: Your Step-by-Step DIY Guide
Jameson C.
9/26/2025
Hey Lee, did you find that the Penguin II was a straightforward replacement for your Duo-Therm? I'm curious to know how it worked out for you, as it could help others considering a similar upgrade.