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Old 07-05-2011, 12:40 PM   #1
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Insufficient Heater air flow to back of 5th wheel

We have a Jayco Eagle Super Lite 31.5 BHDS

Heater works fine but we cannot seem to get enough air to flow to the floor registers in the bedroom area in the back of the 5th wheel. And in the front of the 5th wheel it gets really hot. Any suggestions?
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Old 07-05-2011, 12:57 PM   #2
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Can you close or cover the registers up front and see how the air flow is in back? You should be able to feel an increase in air flow.
There may be something in the vent that fell in there during build.
If you have a flashlight and a couple of mirrors, take the registers off and shine the light on one end and use a small mirror on the other end. You should be able to see the light (if the duct work is straight).
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Old 07-06-2011, 11:28 PM   #3
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I was talking to a fellow that owns a Open Range and had a problem with to much heat forward and not enough in the rear. His solution? He put dampers between the furnace and the tubing and was able to adjust heat where he needed it. I believe the furnace had 4" outlets.
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Old 07-07-2011, 08:05 AM   #4
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You may want to check if the ductwork came loose where it connects to the furnace. I had one run that became undone. The ductwork connects to a metal piece that attaches to the furnace. I reconnected and put a pop rivit in to hold
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Old 07-07-2011, 08:13 AM   #5
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? Are you wanting heat or AC?? The AC doesnt come thru the floor vents in my super lite Eagle. Only furnace heat comes thru floor vents. Im just curious cause its July and Im wondering why you are running the furnace.
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Old 07-07-2011, 01:08 PM   #6
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We were just camping up in the mountains and it was in the 40's at night. I know it sounds funny that someone would use their furnace in July.

I just talked to Jayco and they said i could switch a few of the outlets on the heater around and that the vent on the top of the heater is suppose to blow more hot air then the lower vent. So i think i will switch them around and also check for leeks this weekend.

Jayco said not to close off any of the vents as it could cause the heater to overheat. but when i talked to the dealer they told me that i might want to take silver Duck tape and close off part of the vents off the heater.
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Old 07-07-2011, 03:55 PM   #7
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We had a mouse cut a hole and build a nest on our duct hose between the furnace and the rear ducts. The odor along with the low air flow gave it away.

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Old 07-09-2011, 07:53 PM   #8
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We had the same problem with ours, no heat in bedroom. Problem solved the flex duct was off at furance.
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Old 12-22-2012, 02:45 PM   #9
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We we fixed the heat flow problem there was two places that had a T that just dumped to the underbelly we closed those off and now have a lot more flow to the back bunk.
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Old 12-22-2012, 07:38 PM   #10
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Glad to hear your problem is fixed.

I had a Rockwood 5er with a air flow problem. I removed the under-belly and found one of the ducts disconnected. It was flowing hot air into the under-belly. Once I reconnected the duct, all worked well.
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