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Old 11-08-2017, 06:28 PM   #1
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Cold FR Sierra owner with two dogs

Hello Friends

I have a 43ft Sierra 376BHOK 5th wheel and my furnace is not lighting.

I am close to losing my mind because nobody including Forest River can tell me where it is located in my RV.

Some say it is under a panel under the sink in my kitchen. It isn't. I looked. A lot. Some say it is under the shower stall. I am convinced that is closer. I am also praying that you would not have to take out the shower unit to access the furnace! Some say there is a panel outside. There is a panel for the water heater but not for the furnace.

I am now about to climb in the basement/storage area and see if I can open a panel in there.

Eventually I would have to take the underside of my RV apart and try to access from under the RV.

I know where the furnace outlets are. They are on the side of the RV next to the water heater panel. The water heater and stove work fine.

I am a 30 year time served merchant marine engineer and would be embarrassed to weep but please is there anybody out there who can tell me how I can access the furnace so that when a technician comes I can tell him where it is and have it accessible.

TIA

John Collins
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Old 11-08-2017, 06:44 PM   #2
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You should be able to follow the sound of the air and the clicking. Take an outlet off and try to follow the ductwork to the unit. There should be some sort of grate or air inlet. On my motorhome the unit is under the fridge. On my last 5th wheel it was under the oven.
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Old 11-08-2017, 06:44 PM   #3
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If you know where the furnace outlets are you know where the furnace is. I will be inside right behind the wall from the furnace outlets. In my 5th wheel you have to remove the interior wall or panel on the rear of the storage compartment. Once you removed the panel you will be able to see both the water heater and the furnace.
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Old 11-08-2017, 07:39 PM   #4
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Looking at pictures of your unit it is located next to your water heater. Take out the wall in your basement storage next to the wet bay and you should be able to access the heater.
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Old 11-09-2017, 10:51 AM   #5
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Thank you for all replies. At the weekend I will empty the basement, climb inside and take off the panel(s) that allows me access to the furnace.
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Old 11-09-2017, 01:39 PM   #6
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Quote:
Originally Posted by JohnCollins View Post
Hello Friends

I have a 43ft Sierra 376BHOK 5th wheel and my furnace is not lighting.

I am close to losing my mind because nobody including Forest River can tell me where it is located in my RV.

Some say it is under a panel under the sink in my kitchen. It isn't. I looked. A lot. Some say it is under the shower stall. I am convinced that is closer. I am also praying that you would not have to take out the shower unit to access the furnace! Some say there is a panel outside. There is a panel for the water heater but not for the furnace.

I am now about to climb in the basement/storage area and see if I can open a panel in there.

Eventually I would have to take the underside of my RV apart and try to access from under the RV.

I know where the furnace outlets are. They are on the side of the RV next to the water heater panel. The water heater and stove work fine.

I am a 30 year time served merchant marine engineer and would be embarrassed to weep but please is there anybody out there who can tell me how I can access the furnace so that when a technician comes I can tell him where it is and have it accessible.

TIA

John Collins
Or you could get a third dog for those really cold Three Dog Nights.

Sorry, I just couldn't resist. Hope you figure it out.
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Old 11-09-2017, 01:56 PM   #7
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any chance you have a cold air return? under the oven i have the brown screen. if you remove that you can access the furnace.
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Old 11-09-2017, 02:00 PM   #8
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Have you turned the furnace off and back on at the thermostat? This will reset the control board lock out on a failure to fire. Below I have pasted a link from the library at the top of this page. Page 22 of the manual is on trouble shooting.

Forest River Forums - Downloads - Furnace - Suburban Operation (Various models)

Hope This Helps Tim
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Old 11-09-2017, 02:05 PM   #9
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Under the refer?
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Old 11-09-2017, 02:11 PM   #10
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looked at several models on the internet and most have what looks like return air grills in the stairs. I would look around there for a door panel that is screwed shut.
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