Good Sam Club Open Roads Forum: Class A Motorhomes: Heat Vent Question
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 > Heat Vent Question

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F4Jock

Sweet Valley, PA

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Posted: 06/05/18 11:27am Link  |  Quote  |  Print  |  Notify Moderator

We used our furnace a few times earlier this year and I found something rather odd. While none of the vents themselves all floor level, seem to have dampers, some put out way more air than others. I don't think the ducting itself is easily accessible. I can't see any way to get to it without removing cabinetry. I was wondering if anyone had any tips on how to get to it and any idea why the huge imbalance. One vent doesn't seem to be passing any air at all!


Patti, Jack, our GSD Gunner the Wonder Dog and our multtude of cats.
1998 National Tropi-Cal on a 1997 Ford F53 chassis with 460 Ford power.

fulltimin

Home is where we Park It.

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Posted: 06/05/18 11:42am Link  |  Quote  |  Print  |  Notify Moderator

Try blocking off all but the one that is not blowing air, and turn on the furnace fan. If that one still blows no air, you've got a broken hose somewhere.

You can use tape, or a pillow or foam or whatever to block the others off temporarily.


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F4Jock

Sweet Valley, PA

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Posted: 06/05/18 12:00pm Link  |  Quote  |  Print  |  Notify Moderator

fulltimin wrote:

Try blocking off all but the one that is not blowing air, and turn on the furnace fan. If that one still blows no air, you've got a broken hose somewhere.


Thanks. Will do. Any idea how to access the hoses without a major disassembling of the cabinetry?

MountainAir05

New Mexico

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Posted: 06/05/18 12:12pm Link  |  Quote  |  Print  |  Notify Moderator

You can get floor vents with controls build in. Our system is vent by duct and the only way to get to it is tear out the floor. Our duct is setting on a sub floor then another one on top of the duct and then the floor. If you do not see flex tube where the heater is then you might be out of luck. They do not blow equal from all vents on ours either.

F4Jock

Sweet Valley, PA

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Posted: 06/05/18 12:20pm Link  |  Quote  |  Print  |  Notify Moderator

MountainAir05 wrote:

You can get floor vents with controls build in. Our system is vent by duct and the only way to get to it is tear out the floor. Our duct is setting on a sub floor then another one on top of the duct and then the floor. If you do not see flex tube where the heater is then you might be out of luck. They do not blow equal from all vents on ours either.


Oh joy!

dougrainer

Carrolton, Texas

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Posted: 06/05/18 12:56pm Link  |  Quote  |  Print  |  Notify Moderator

RV's will not blow equal air out of the furnace ducts. There are different ways they run ducting hose or even in the floor with an aluminum duct. If you have FLOOR mounted ducts, the furthest from the furnace may blow more than ones closest due to the air has to go up at a 90 degree angle from the floor duct. The floor ducts at the end of the duct work the air hits the end and then goes up. If you have 4 inch duct hoses, that depends on how they routed them. They sometime use 1.5 inch duct hose going to a bath area to prevent the bathroom from getting too much hot air and making it unbearable in the bathroom. If you have 4 inch duct hose, then check them out to prevent bunching up. Doug

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