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Old 07-11-2021, 09:28 PM   #1
Junior Member
 
Brand: Thor Motor Coach
State: California
Posts: 16
THOR #22668
Thor ACE 27.2 AC Mod

I am looking into RV-Airflow to improve my AC, but it appears it will not fit my Coleman Mach 15. The measurements seem to be off. I put in an inquiry to the developer, but in the meantime I tried to resolve leakage between supply and the cold air. I used the tin type duct tape and taped the provided insulation (super cheap version by Thor) to the top and sealed it better with tape. Tried it but still some leakage because of gap on low side by cover. I taped some auto/boat insulation-molding to the insulation and this helped.

For now it is quieter and better airflow. In the bedroom I had almost nothing, now I get a reasonable flow, but still not great. If it turns out I cannot modify RV-Airflow product, what do you think of cutting/forming some styrofoam I have to fit next to the insulation between intake and output?

I took a few pictures of what I did, but there not the best shots. Sorry.
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Old 07-11-2021, 09:30 PM   #2
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Brand: Thor Motor Coach
State: California
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THOR #22668
I should have taken pics without cover on. Sorry.
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Old 07-11-2021, 11:59 PM   #3
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Brand: Thor Motor Coach
Model: Freedom Traveller A27
State: North Carolina
Posts: 716
THOR #17765
I bought the RV airflow for a Coleman Mach III. Was made for a normal plenum. I have a shallow plenum. The owner of RV Airflow returned my call on a Sundaty afternoon. After a little modification with a hacksaw blade I gottir to work. Amazing increase in air volume.
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Old 07-12-2021, 04:48 PM   #4
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Brand: Thor Motor Coach
State: California
Posts: 16
THOR #22668
Thank you this was really helpful.
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