Ours didn t so i had to decide where to get the power from.
How to install rv roof vent fan.
Set the fan in place by fitting the eyehooks on the back edge over the cup hooks in the vent trim.
Some rvs come pre wired for vent fans and have the wires handy in the roof attic near the vent.
How i removed the old vent prepared the roof for the new vent installed the fan tastic vent waterproofed the installation and wired it all up.
Standard roof vent openings are 14 1 4 x 14 1 4 inches.
If you re installing a vent in a location in which there was no vent previously you ll have to cut an opening between roof joists to install the new unit.
If your rv has a upper side vent we recommend a second blower fan mounted on the side vent door.
This vent fan fits all standard 14 x 14 rv roof openings and it comes with all necessary hardware to complete the full installation minus the roof sealant you ll need to put around it to ensure your roof is watertight again.
This video shows the replacement of the fan blade on the bathroom exhaust vent in my travel trailer.
One is a roof vent and the other is the side vent.
Bob livingston and bill gehr replace a weathered rv roof vent cover.
The fan tastic fan needs a source of 12 volt dc power to operate.
We will show a roof vent install below.
I also ran the temperature probe back there and taped it inside the vent.
I ran the power wiring through the wall at the back of the cabinet into the fridge ventilation stack and up to the fans on top of the roof vent.
They leave about a foot of wire hanging out of the fan and include another foot or so extra.
Measure the opening for your roof vent on your camper.
The fan may be positioned so that the intake sucks the hot air from inside the cooling unit compartment and blows it out the door vent.
To reverse the draw of the fan flip it over and reinstall.
Fasten the s hook into the eyehook on the front side of the vent trim to hold the fan in place.
In this rv diy video mark polk with rv education 101 demonstrates how to replace and seal an rv roof vent.
The location is close enough to the roof vent for the approximately 6 feet of fan wiring to reach.