Can the Ventline Vanair Trailer Roof Vent with Fan be Left Open When Traveling

Question

Question:

Can this vent be left open when traveling on highway?

asked by: Carol

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Expert Reply:

I would not recommend leaving Ventline Vanair Roof Vent with Fan, # VP-543SP, open when traveling down the highway because the fan and electric motor would be exposed to the elements. You would not want any dirt, rain or any other type of debris to get inside of the vent and ruin the fan.

I spoke with my contact at Ventline and he said structurally the vent can be left open when traveling, but the fan and electric motor would be at risk. It is much easier for rain and dirt to enter the vent when traveling versus standing still.

expert reply by: John H

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Answer 1

The MaxxFan Dome Roof Vent part #MA00-03812W will work just fine on passenger vehicle with thin metal roof as many others have done so as well. That said, you will need to add some material like plywood between the roof and fan to get the required…

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Answer 2

The Ventline Vanair Trailer Roof Vent w/ 12V Fan #VP-543SP that you referenced does not have a reputation as leaking. We've actually had quite a few people report back to us that it did not leak at all. Was the vent open when it was raining?…

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Answer 3

The MaxxAir MaxxFan Plus - Smoke #MA00-04500K will work on your fiberglass truck cap, but highway speeds will not allow it to stay open. The remote will work fine from inside you truck cab. If you want to be able to drive the highway speeds, I…

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Answer 4

You could use a rheostat to control the electric motor in Ventline fan #VP-543SP. It is designed as an on/off device but I don't see a reason that it couldn't be controlled. You may end up with that buzzing sound that occurs when electric…

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Answer 5

The height of the exterior portion of the Ventline Vanair 12-Volt Trailer Roof Vent #VP-543SP that you referenced is 2-5/16 inches.

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Answer 6

The Ventline Vanair Trailer Roof Vent w/ 12V Fan #VP-543SP will do a good job at helping to vent out some of that smoke, but something this small makes me a little nervous if your shelter doesn't have any other kind of ventilation if I'm…

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Answer 7

The actual disc-type fan blade assembly in the Ventline Vanair 12V Trailer Roof Vent #VP-543SP measures 5-3/8-inches in diameter. The unit has two lead wires, a white ground wire and a black +12V wire, and includes a push-button switch. This unit…

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Answer 8

If you remove the garnish that comes with the vent #VP-543SP and measure from the bottom of the base that mounts to the top of the roof down it is 1-3/8 inches to the bottom of the main housing and 3-3/4 inches to the bottom of the handle (with the…

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Answer 9

You could certainly mount the Ventline Vanair Trailer Roof Vent #VP-543SP on the side of a camper van wall but it's hard to say for certain if it would let water in or not in this orientation as it's never been tested in this configuration.

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Answer 10

I spoke with my contact at Ventline and he informed me that this Ventline Vanair Trailer Roof Vent #VP-543SP is only to be mounted on the roof of a trailer. The reason is because if it was mounted on the side it would most likely leak water.

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Answer 11

The Ventline Vanair Trailer Roof Vent with 12V Fan #VP-543SP is not going to be completely rain proof (no roof top vent will be), because they need to be open somewhat, as you can see in the accompanying photo a customer sent in of this vent…

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Answer 12

The Ventline Vanair Trailer Roof Vent w/ 12V Fan - 6-1/4" Diameter - Smoke Item #VP-543SP does not come with connectors for the wiring. You can use ring terminals or butt connectors or something else if you have a favorite type of connector. On…

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Can the Ventline Vanair Trailer Roof Vent with Fan be Left Open When Traveling

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