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Old 12-13-2016, 07:08 AM   #1
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Propane heater not heating couch

I have a 2015 Itasca Sunova 35G with almost no heat coming from the front two floor vents behind the driver and passenger seats and very little coming from the kitchen floor vent and I'm using an excessive amount of propane to heat the couch. Where is all the heat going? I removed the furnace and can see the floor duct work and a large cavity area but I can't see anything else in the Styrofoam area between the floor and sub floor.
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Old 12-13-2016, 08:07 AM   #2
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Welcome to iRV2. First post I see.

Sorry your here with problems.

Questions ?
Have you owned the coach since new?
If so has this always been a problem?
Have you removed the floor vents , in the living area and the bedroom , and by lowering a flashlight into the bed room vent and a mirror in the living area , see if there are any blockages in the main distribution duct ?
I ask because the main distribution duct in my coach is 3" X 16" and runs straight from the front to the back of the coach.
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Old 12-13-2016, 08:20 AM   #3
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I'm the second owner, I will check the duct work using the mirror as you suggested. Thank you. I'll check it now.
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Old 12-13-2016, 08:21 AM   #4
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Quote:
Originally Posted by fkempf216 View Post
I have a 2015 Itasca Sunova 35G with almost no heat coming from the front two floor vents behind the driver and passenger seats and very little coming from the kitchen floor vent and I'm using an excessive amount of propane to heat the couch. Where is all the heat going? I removed the furnace and can see the floor duct work and a large cavity area but I can't see anything else in the Styrofoam area between the floor and sub floor.
Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Sorry I can't help with your problem. Is it not still in warranty?

Good luck, happy trails, and God bless!
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Old 12-13-2016, 08:22 AM   #5
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You may also be able to check your ductwork by sticking your cell phone in it and taking a few pictures. That's how I checked mine to make sure it was properly sealed.
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Old 12-13-2016, 08:47 AM   #6
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Well I tried to see the light through the duct-work but it's to light outside to see the flashlight and because there's a "T" in the duct work in the front of the couch that feeds the vents behind the driver's and passenger's seat. Although I do see they ran the 3 inch sewer line for the toilet above the duct threw the middle of the duct work blocking about half of the duct. I'll give it a try when it gets dark between the kitchen and front vents tonite.
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Old 12-13-2016, 08:50 AM   #7
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I have an extended warranty but was told that the duct work is NOT covered because it should have been corrected when the original warranty was in effect. I purchased the couch with one day on the original warranty.
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Old 12-13-2016, 08:53 AM   #8
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Thank you for your camera idea but the duct has a "T" at the end that goes between the front seats and the duct is very shiny causing to much reflections for a good picture.
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Old 12-13-2016, 08:55 AM   #9
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Thank you, MSHappyCampers
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Old 12-13-2016, 10:54 AM   #10
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It should be easy to find, your duct work has come apart or has a hole in it. With the age I would say that it has come apart, possibly at that T. Additionally it should be easy to find with the heat on as the area where it is separated will be VERY warm in an area that should not be. You will also probably have to disassemble a few things to find it and or fix it properly. Heat duct in a RV is nothing more then vinyl ring duct similar to what is on your clothes dryer. You can also use 2/3 layer dryer hose to replace it.

Find the hotspot, figure out what you have to remove to get at that area, find the leak, got to Home Depot/Lowes to and get what you need to fix the separation/hole.
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Old 12-13-2016, 11:43 AM   #11
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https://www.amazon.com/DBPOWER-Water...roof+endoscope

Is what I use when I went to go exploring. Attach it to an electrical snake if you need to. (also good for plumbing issues, if they ever occur). Attach it to your windows laptop.
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Old 12-14-2016, 05:55 AM   #12
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Thank you IMOB and Kiawah, I found Winnebago installed the 3" stack pipe for the black tank right threw the duct works between the bathroom and kitchen vent thus blocking the air flow by about 40%. Not to smart of them I'd say. The duct work is about 4" X 8" and is all metal. I contacted the Winnebago service people and they refuse to talk about who's fault it was. As for a repair, I don't know of any way to reroute the stack vent pipe with out major destruction. So anyone who owns a Itasca Sunova 35G and has poor heat, I feel for you. I'd like to thank all the great folk's who contacted me to attempt to help us. Frank & Toni
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Old 12-14-2016, 06:46 AM   #13
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Electric space heater up front.
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Old 12-14-2016, 06:49 AM   #14
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Very interesting.... I would love to see a pic if you can post one. As for fixing it, I think the vent stack stays and the heating duct gets modified/moved.
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