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Old 03-18-2014, 07:46 AM   #11
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Originally Posted by dirtracing View Post
I have similar issue. I just spent 3 hrs at rockwood/flagstaff today about the heating issue. I have little to no airflow in any vents. Even checked one on the line. We spent one night in it with temps around 40 and froze. Didn't have a fireplace. Dealer had for 3 months this winter and even put in new furnace. Check all duct work. No probs found. I believe that the furnace is insufficient for these size campers. I have a 8528bhws. Furnace manufacture coming Tuesday to see what can be done. Flagstaff has been very helpful but I would just like to figure out the problem soon. Ready to go camping in a week. Will update you when I find out what they say.
I would be interested to see how this comes out. Can you post the results later or allow me to contact you?

Ron and Elizabeth
2014 Rockwood 8285-IKWS
2006 Ford F250 6.0 Diesel 4x4
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Old 03-18-2014, 08:09 AM   #12
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It all has to do with size of the duct work and the distance from the FAU and where they took the run off the plenum. The ones at the end will get more air then the ones off the sides plenums are designed to bounce and mix the heat. Your heat exchanger will have hot and cooler spots in them that's why it needs to mix The biggest duct is 4" and only can get 90 cfms out of it at a 1/2" static pressure. I have seen them run 3 outlets off of 1- 4'' duct. So how much air do you think you are going to get off that at the end of the run. If your getting to much air and heat you need to put a damper at the plenum not the registers to force more air back to the others closing outlets is not the answer. You will get a lot more installing dampers. but closing will help. To check cover the floor register and see if it helps at all. More then likely you will just make that area cold. also with every twist or turn you will lose even more CFM.

Rockwood #8289 WS 2012
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With 4 point leveling system
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Old 03-18-2014, 10:08 AM   #13
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The metal can (plenum) below the heater was poorly installed and had dropped about 2" below the floor on mine. Most of the hot air was blowing underneath the trailer. I pulled the can up and fastened securely and used aluminum duct tape around the edges. Huge difference in air flow out the vents.
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Old 03-18-2014, 10:17 AM   #14
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Originally Posted by SKnight View Post
My unit has that fireplace, I've only used it one night but I had a very similar experience. Glad to hear it wasn't just a set of just right conditions. It doesn't seem to put out an extreme amount of heat but it did a great job of keeping the living area warm overnight. I thought it was just my imagination.
Do you have a ceiling fan? If so, turn it on and you will be amazed and the warm air circulation!

And yep, if you turn the fireplace on "high" it can darn near run you out of the rig LOL
Bob & Anne-Marie [BamaBob & 6 Actual]
| 2017 Berkshire XLT 43A with Ultrasteer Tag | Blue Ox Avail + KarGard II |
| SMI AF-1 Air Brake | 2016 Jeep Cherokee Overland TOAD | Pedego Bikes |
Nights Camped: 2013 - 24 2014 - 42 2015 - 56 Jul 2016 - Fulltime
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Old 03-18-2014, 04:05 PM   #15
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Originally Posted by HSVBamaBob View Post
Do you have a ceiling fan? If so, turn it on and you will be amazed and the warm air circulation!

And yep, if you turn the fireplace on "high" it can darn near run you out of the rig LOL
I do have the ceiling fan, but we had the big baby 90lb great dane with us. She FREAKS out over ceiling fans, I wanted to try that but didn't want to deal with the dog.

Yeah, I'm pretty sure the furnace didn't come on once over the course of the night. It never did from the time we got up and we were around for a good hour before leaving.

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Then-2002 Keystone Springdale 286RLDS TT

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