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Can I Use a 12v Transformer to Power a MaxxFan Deluxe Roof Vent?  

Updated 05/16/2025 | Published 05/14/2025

Question:

Hello- I have an existing non- powered roof vent that is pre wired for adding a second A/C unit. Can I use a 12v transformer to install and power the Maxxfan Deluxe? Thanks for your time.

0

Expert Reply:

Yes, you can. You'll just want to make sure you get the voltage down to 12v to install a fan like the MaxxFan Deluxe Roof Vent item # MA00-07500K you were looking at. It will shut-off automatically at 13.6 volts.

When installing the MaxxFan item # MA00-07500K you will want to use Butyl Tape item # 362BT-18x1-50 for under the flange and Alpha Systems 1021 Self-Leveling Sealant item # AL98KV to cover the flange and screws to get a complete seal.

What kind of trailer do you have?

expert reply by:
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Jerred H
Tom H. profile picture

Tom H.

5/16/2025

Thanks for your reply Jerred. I appreciate your input. We have a 2024 Cougar Sport 2100RK. Thanks again. Tom

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Jerred H. profile picture
Etrailer Expert

Jerred H.

5/16/2025

@TomH You're welcome! That's a nice set up. It's interesting you want to install a roof vent instead of a second AC unit since you're prewired. Do you camp in cooler climates?
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