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Old 09-18-2015, 03:14 PM   #1
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Not enough heat in living room. Too much heat in bathroom

We love our 2015 Flagstaff 8528IKWS but,we don't get enough heat into our living room while, the register in the bathroom gets so hot it burns your bare feet. The register at the top of stairs makes the bedroom too hot for comfortable sleeping. Anyone else have this problem? I believe that the Rockwood 8289WS is the same confirguaration.
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Old 09-18-2015, 04:40 PM   #2
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Had the same problem with our 2015 8528IKWS. Putting a rug over the bathroom heating floor register helped quite a bit. (And the bath needs a rug!!) We also replaced the Mach/Coleman analog thermostat with its digital equivalent. Is a simple change and is a wire for wire replacement. (No mods, an added switch to control the fan speed is not needed). The on/off differential with the analog thermostat made living either with heat or cooling plain uncomfortable. The on-off differential with the analog thermostat was 8 degrees. With the digital, 1-2 degrees. Try both solutions.
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Old 09-18-2015, 04:55 PM   #3
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I bought registers that close for both the register at the top of the stairs and the bathroom. The register in the bathroom got so hot that it warped/almost melted the plastic register so, I bought a metal one that closes. Having said all that, while at the FROG RALLY in Goshen I spoke to a Suburban tech about this problem and, he said that doing what I was doing would cause the frunace go to hi temp limit and shut down. That is what we experienced last winter. The Tech also said the the only thing that they tell FR is the the funace must three outlets. I'm thinking that the two registres in the living room run off from one hose and the other two are at the top of the stairs and in the bathroom. The one in the batroom is only about two feet from the furnace. This will be on my list for the FROG Rally next year in Goshen.
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Old 09-18-2015, 04:57 PM   #4
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Quote:
Originally Posted by MartyQ View Post
Had the same problem with our 2015 8528IKWS. Putting a rug over the bathroom heating floor register helped quite a bit. (And the bath needs a rug!!) We also replaced the Mach/Coleman analog thermostat with its digital equivalent. Is a simple change and is a wire for wire replacement. (No mods, an added switch to control the fan speed is not needed). The on/off differential with the analog thermostat made living either with heat or cooling plain uncomfortable. The on-off differential with the analog thermostat was 8 degrees. With the digital, 1-2 degrees. Try both solutions.
I plan to change out the thrmostat soon.
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Old 09-18-2015, 05:06 PM   #5
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Changing the thermostat made a TREMENDOUS change. The analog slidewire is JUNK!
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Old 09-18-2015, 05:10 PM   #6
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Quote:
Originally Posted by MartyQ View Post
Changing the thermostat made a TREMENDOUS change. The analog slidewire is JUNK!
I agree!
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Old 09-18-2015, 05:30 PM   #7
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Not enough heat in living room. Too much heat in bathroom

Have the same unit. First time I discovered that problem I changed out all the flex duct I could get to with residential duct. Also added duct louvers into the duct and balanced the whole system. Much better now. I'm in the HVAC business so was easy for me. Best advise for others without knowledge and access to tools and materials is to replace all vent registers with dampers and try adjusting the flow (CFM) so they are all the same. P.S. All four of my furnace outlets were being used.

Also removed the basement vent. There is enough heat down there radiating off the furnace.
Also, run your ceiling fan on low to push warm air down.
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Old 09-18-2015, 05:35 PM   #8
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Even with both the register at the top of the stairs and the bathroom closed there is still very little air (CFM) coming from the living room registers. Good to know that all four outlets were used on yours. I don't think they are on mine.
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Old 09-18-2015, 05:39 PM   #9
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I wish I had the expertise and the tools to work on the duct work. I'm an old Pneumatic guy.
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Old 09-18-2015, 05:43 PM   #10
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I wish I had the expertise and the tools to work on the duct work. I'm an old Pneumatic guy.

Ya, 4" pipe a too big for most pneumatic guys.....may as well be 48".....!!
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Old 09-18-2015, 07:13 PM   #11
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Ya, 4" pipe a too big for most pneumatic guys.....may as well be 48".....!!

Yep, been called a 1/4 inch pipefitter many times.
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Old 09-18-2015, 07:45 PM   #12
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Could also be the spot on the furnace the ducts are hooked to. Mine has 4 hoses , 2 from back of furnace, and 1 from each side....side ones don't have near the flow at registers. Had to replace 2 torn hoses that were not routed around holding tanks correctly.
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Old 09-18-2015, 08:54 PM   #13
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I am not sure if you actually did this or not, but I had a similar issue and fixed it through installing vents that close. I wasn't getting enough heat in the bunkroom for the twins; I felt it was way too cold back there. Big box orange store stocked them and I replaced all of them in the rig.
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Old 09-19-2015, 12:26 PM   #14
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We also have a 2015 8528IKWS 5th and quickly discovered how much heat was coming out of the bathroom vent and not the rest of the trailer. I bought a wooden vent that you can close but I'm concerned about that comment that was made about over heating the furnace unit? Hopefully the wood will not get to hot. Also replaced the thermostat with a programmable one so it will turn things on and have the trailer warmed up or cooled down when we what. We ended up buying a small programmable heater (square wooden box model on wheels) that has helped. There is diffidently a problem with the heat not being very well balanced in the trailer. If anyone has any more ideas keep them coming. Stay warm.
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Old 09-19-2015, 12:48 PM   #15
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Too much / too little heat

Quote:
Originally Posted by Wayne Joan View Post
We love our 2015 Flagstaff 8528IKWS but,we don't get enough heat into our living room while, the register in the bathroom gets so hot it burns your bare feet. The register at the top of stairs makes the bedroom too hot for comfortable sleeping. Anyone else have this problem? I believe that the Rockwood 8289WS is the same confirguaration.
The furnace in my Flagstaff 26FKWS is located in the bedroom area. Both the bed room and bath room were too hot and the main living area cool so I (wait it's coming) covered half of the floor grills in the bedroom and bathroom with duct tape in a matching colour and there is still plenty of air flow and heat.
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Old 09-19-2015, 12:49 PM   #16
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I would be concerned about the wooden register catching on fire. As I stated in my original post "the plastic register melted when I closed it". We now have a metal register that closes and it gets so hot the it burns your foot if you step on it. Suburban furnace Tech was quite concerned about the furnace hitting the high temperature limit switch if we closed the registers. He said it would really cause the furnace to be inefficient. We spend the winters in our trailer and use the furnace often. Hopefully FR/Flagstaff/Rockwood will have solution to our problem.
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Old 09-19-2015, 12:51 PM   #17
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Originally Posted by rthomaslyons View Post
The furnace in my Flagstaff 26FKWS is located in the bedroom area. Both the bed room and bath room were too hot and the main living area cool so I (wait it's coming) covered half of the floor grills in the bedroom and bathroom with duct tape in a matching colour and there is still plenty of air flow and heat.
Even afteer closing the registers we still do not get enough heat in the living room.
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Old 09-19-2015, 01:08 PM   #18
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I suspect that there are people with the Rockwood 8289WS having this problem too. Would like to hear from them.
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Old 09-19-2015, 02:08 PM   #19
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I have a 8289WS with the same problem. I'm going to try and change around some duct work like feeding the living area from the takeoff of the Bathroom and stair landing and maybe a damper or two, hopefully switching those might help. I have access to an air velocity meter, going to try and balance out everything. Bathroom square footage requires much less air flow "not more" than the living area.
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Old 09-19-2015, 02:30 PM   #20
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Heat

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Even afteer closing the registers we still do not get enough heat in the living room.
It could be the flexible duct has come disconnected from the furnace port or under the floor somewhere
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