Do RV Roof Vents with Rain Sensors Draw Power All the Time

Question

Question:

I am looking for a fan that does not draw any current when the fan is not operating. I assume that all remote operated fans and fans with rain sensors have phantom power draw? am I correct?

asked by: Elias

0

Expert Reply:

RV roof vents like the Replacement MaxxFan Plus 4-Speed Roof Vent with White Lid # MA00-04751KSX that you referenced do not draw power when they are off and the rain switch is active. Basically the rain sensor is a switch and when water on the sensor completes the circuit the switch activates and then the lid closes. It's no different from how when a light is switched off and there is current present at the switch there isn't parasitic amperage draw. So with this light setup you would not have to worry about it draining your battery.

expert reply by: Jameson C

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Answer 1

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Answer 2

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Answer 3

The MaxxFan Deluxe Roof Vent w/ 12V Fan and Thermostat item #MA00-06200K uses up to 5-Amps to operate when running and up to 9-Amps for startup. So probably between 90 - 100 hours if it was the only thing running and you left it on.

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Answer 4

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Answer 5

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Answer 6

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 7

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Answer 8

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Answer 9

14.2-14.4 volts will not destroy the MaxxFan Deluxe Roof Vent w/ 12V Fan and Thermostat #MA00-05100K, however anything over 13.8v can cause the fan to shut down on the limit switch.

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Answer 10

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Answer 11

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Answer 12

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Do RV Roof Vents with Rain Sensors Draw Power All the Time

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