Can the Fan of the Ventline Vanair Trailer Roof Vent # VP-543SP Flow Both Directions

Expert Reply:

I have played with the Ventline Vanair Trailer Roof Vent # VP-543SP before and found that if you reverse the wires you can make it pull air in.

If you wire it up like normal, black to power/white to ground, it works as an exhaust fan. If you flip the wiring, white to power/black to ground, it pulls air in.

expert reply by: Jameson C

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