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Old 05-02-2021, 09:26 PM   #1
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Brand: Thor Motor Coach
State: Illinois
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THOR #23084
Bathroom heat vent

We recently got a 2018 Four Winds 28E, we ran the heat this weekend at night since it was a little chilly, but it doesn't seem to blow much heat from the bathroom vent which is located under the shower. Is this common, also there are two heat vent by the steps at the entrance door, not sure why? Any info appreciated, thanks.

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Old 05-02-2021, 11:17 PM   #2
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Model: Forest River Forester 235
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Donít have your coach but Iíd suggest you pull the vent cover off in the bathroom and check the foil hose that feeds it. It might be kinked and if so is easily adjusted. Canít help you with the extra vents but again, it should be easy to block one off partially or fully to help balance the air flow. These things are not engineered by Mars mission specialists.
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Old 05-02-2021, 11:31 PM   #3
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Model: '17-Vegas 24.1
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On my rig, same issue.
But after inspection, itís two things...
1) size of tube, itís 3Ē diameter
2) length of run, nearly 15í of foil pipe from Heat Exchanger to outlet

Bottomline, not much can be done
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Old 05-03-2021, 12:34 AM   #4
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Quote:
Originally Posted by taylorbob1 View Post
On my rig, same issue.

But after inspection, itís two things...

1) size of tube, itís 3Ē diameter

2) length of run, nearly 15í of foil pipe from Heat Exchanger to outlet



Bottomline, not much can be done


Well if itís a problem (like freezing when you get out of the shower!) you might be able to add a helper fan in that long line. It wouldnít be the simplest mod but if youíve got access to the line it wouldnít be too hard.
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Old 05-07-2021, 10:18 AM   #5
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Without knowing much about your RV, some things to look at. Locate the heater itself and get to the back side. There could be a jumble of flex ducting that could be pinched. As a nature of the beast, the closest ducting gets the most flow and it's less from there. Often the end of the line has a bare trickle. Blocking off one close to the heater may improve air flow to the end of the run. Air follows the path of the least resistance. If you can remove the ducting end, round or rectangular, look in with a flashlight and inspection mirror for an obstruction. Could be construction debris since they are not careful at the factories.

About this 2 vents by the door, if you will attach a picture that might help someone identify them. On some 5th wheels the stair riser going up to the front area has vents to the basement area. Those are a heater return of sorts and allow heated air to the under floor basement area where the holding tanks are. That can be the "heated tanks" referred in literature. Heated tanks also can be heat pads glued to the bottom of the tanks. Those would be a 12v switch controlled.
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Old 05-07-2021, 10:59 AM   #6
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Remember one thing: if folks are too comfortable in the Throne room; they will spend too much time in there.
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