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Old 11-11-2014, 12:22 PM   #11
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are there any small holes in the floor leading to the enclosed area near tanks? I am thinking you could drop a small off the shelf temperature probe into the underbelly. I have seen the temperature guages for your house to measure outside temp. It has a digital readout inside the house and a small wired probe which goes outside.
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Old 11-11-2014, 10:43 PM   #12
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Is it true, that just because your unit has an enclosed underbelly, you do not necessarily have the "thermal package", right?

My Jayflight has the enclosed underbelly, but you can clearly see water tubing external to the belly.
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Old 11-20-2014, 06:17 PM   #13
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We have a 2013 28BHBE, my "window sticker" says we have the "thermal package w/foil". When I look at the 2013 model year brochure, for the thermal package it says:

THERMAL package: Insulated, heated and enclosed underbelly and 2-sided reflective
foil insulation in main roof and slideout roof

Now my OCD is making me wonder what's really there....I'll just have to dismantle it and find out, that's the answer!
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Old 11-24-2014, 06:08 PM   #14
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I just send Jayco a question about the Glacier Package as to the enclosed underbelly. Where is my furnace vented, how are the holding tanks triple insulated and what does foamed inside the I-beams rails mean. I am 99% sure my furnace is not vent to the underbelly. We will see what comes back.
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Old 12-02-2014, 11:53 PM   #15
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Could you please explain in more detail the Glacier Package, as to where the heat is vented into the underbelly, foamed inside the I-beams rails, and how the holding tanks are Triple- insulated.

Thank You
Craig and Gwen Ruddick
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Old 12-02-2014, 11:54 PM   #16
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Good Morning,

Thank you for contacting Jayco customer service. In the Glacier package you get the following:

-Heat runs to the tanks. These are normally run with a flexible heat duct and will drop in around the tank. If there are 2 tanks next to one another it will drop between them.

-Extra layer of R-11 insulation in the roof

-Astrofoil in main roof(not slide roof). This adds an additional layer of insulation.

-Astrofoil in underbelly (laid in underbelly cavity)

The Glacier package is good to 32 degrees in a controlled environment. That means when it was tested there wasn’t any wind or environmental conditions. One should always take precautions when in these kinds of climates as the unit can still freeze up.

If we can be of any other assistance feel free to contact us at your convenience.



Sincerely,

Kirk Manring

Customer Service Specialist
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Old 12-02-2014, 11:56 PM   #17
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Hi Kirk

Thank you for your answers. In my 5th wheel would I have 2 or 3 vents into the underbelly as I have 5 holding tanks ( 2 fresh water, 2 gray tanks, and 1 black tank )? From your answer ( Astrofoil in the underbelly ) I assume that all of the bottom of the underbelly has a layer of Astrofoil on top of the coroplast, is this correct? I still fail to see how the holding tanks are Triple-insulated could your explain this better? You did not answer the question about ( foamed inside the I-beams ) does this mean that the inside of the I-beams are spray foamed?

Thank you for your time
Craig and Gwen Ruddick
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Old 12-02-2014, 11:56 PM   #18
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Good Morning,
Yes you should 2-3 vents in the underbelly. The triple insulation would be as such, there is a layer of insulation in the sub floor, a layer of insulation in the underbelly and the astro foil. Jayco has never spray foamed to insulate. Any spray foam used is to fill voids and seal up the underbelly.
I hope this is helpful

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Old 12-03-2014, 12:51 AM   #19
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Im not getting a warm and fuzzy feeling about the responses Timber got from the manufacturer. They sorta skirted around the actual questions. 2-3 vents into the underbelly! Yikes! that's a whole lotta heat and energy being wasted IMHO.

My coroplast belly has a peek-a-boo hole for access to the main slide motor, when it fails you can manually retract the slide with a socket set wrench. I might take a peek inside the underbelly to see what I can see.

I might need to send a light in, and then the video camera to pan around and see, the hole doesn't look big enough to stick my noggin in.

Its a bummer, because the last trip of the season was forecast to be cold enough to freeze tank valves, so I kept it winterized and we camped dry. (It also happened to be the unit's maiden voyage.)

From what I'm reading, my 32BHDS would have been perfectly fine to camp wet that one more time. Heck... if mine has 3 vents headed into the basement, I bet the poo would have started turning ripe.

Thanks for the inquiry Timber. We appreciate it.
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Old 12-03-2014, 04:10 AM   #20
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Thermal package

On my rig, and i have looked, the heating system has vents in the underbelly area that pump hot air into the area. There also are louvers under the steps that allow circulation of air to flow into the living area. The storage area is open to the tanks and there is a foiled foam insulation on top of the underbelly covering.
When I open my storage doors the area is warm in winter as long as the furnace is running and cool in summer.

Note: don't leave any outside doors open or it greatly affects the efficiency .
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