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Old 10-12-2019, 01:31 PM   #1
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Model: Axis 24.1
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THOR #6107
Black and Gray Tank Heaters

I have an 2017 Thor Axis 24.1 which has electric tank heaters. My manual contains zero information on the proper usage of these tank heaters. Any information would be greatly appreciated.
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Old 10-12-2019, 03:07 PM   #2
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Turn them on when temps are below about 40F or so. They have a thermostat and will only turn on when needed. Pretty simple to use.
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Old 10-12-2019, 03:25 PM   #3
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Additionally, crawl under your unit and see if the tank heaters are still attached to the tanks. Many, including mine, were loose to the point of falling off. Gorilla tape to the rescue.
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Old 10-12-2019, 07:54 PM   #4
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I was told that my 31Z had tank heaters....after a year I still have no idea how to turn them on. I think the sales guy was off his meds when he told me that.
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Old 10-12-2019, 09:19 PM   #5
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the switches should be on your control panel. I can't tell you where because I have a different panel than yours but look closely, you should be able to find them. I would be very surprised if you didn't have them.
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Old 10-12-2019, 09:58 PM   #6
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Quote:
Originally Posted by mountainsam View Post
the switches should be on your control panel. I can't tell you where because I have a different panel than yours but look closely, you should be able to find them. I would be very surprised if you didn't have them.


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I don’t see anything that looks like a switch for heated tanks
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Old 10-12-2019, 10:10 PM   #7
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Originally Posted by jannnda View Post
Attachment 20793i Attachment 20793

I don’t see anything that looks like a switch for heated tanks
I found this in your manual on line.

Your vehicle’s holding tank compartments are heated by the furnace duct work. It will heat the tanks when the furnace is operating.


Thats a great idea but isn't much protection if it's sitting in your driveway with the heater off.

Maybe a Hurricane owner will jump in with the facts.
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Old 10-12-2019, 10:14 PM   #8
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I did see that about the furnace. I was told heated tanks. When I asked him “heated like when I am on shore power “? He said yes. Oh well... good thing I live in South Texas.
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Old 10-13-2019, 12:51 AM   #9
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The OP has an Axis which has the tanks below the floor and thus aren't heated by a duct--they have the heaters glued to the bottom of the tanks.
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Old 10-13-2019, 01:00 AM   #10
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The OP? Heaters glued to the floor? Sorry I have no idea what that means.
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Old 10-13-2019, 02:24 AM   #11
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OP is Original Poster,
In the Axis heating pads are glued to the bottom of the tanks (underneath exterior.)
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Old 10-13-2019, 02:30 AM   #12
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Originally Posted by bry899 View Post
OP is Original Poster,

In the Axis heating pads are glued to the bottom of the tanks (underneath exterior.)


Thanks for the “OP” translation.
If I have pads glued to the bottom of my tanks, how do I turn them on in cold weather?
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Old 10-13-2019, 03:16 AM   #13
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Quote:
Originally Posted by jannnda View Post
Thanks for the “OP” translation.
If I have pads glued to the bottom of my tanks, how do I turn them on in cold weather?
There should be a switch on your control panel by the water pump switch and the others
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Old 10-13-2019, 11:41 AM   #14
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Quote:
Originally Posted by jannnda View Post
Thanks for the “OP” translation.
If I have pads glued to the bottom of my tanks, how do I turn them on in cold weather?
If you had heated pads, the switches would be on the panel you photographed... Between lack of switches, and the manual documentation mountainsam found, you do NOT have electric tank heaters... it is only heated when furnace is on via ductwork.
Thor uses both methods depending on the model. My Hurricane (2014 32A) has the electric pads with switches on main control panel.
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Old 10-19-2019, 06:56 PM   #15
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I have a 2016 24.1 and there are 2 switches on the main control panel. They say 'tank heaters' black and grey (on or off). They are between the slide switch and the water pump switch. Strange your 2017 is not the same.
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Old 10-19-2019, 07:15 PM   #16
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THOR #15745
Just purchased a 2019 Hurricane 34j. All it says in the brochure is Enclosed and heated holding tanks. Must mean furnace heated. Does anyone know if they are electricly heated?
My Keystone Bullet Premier had heated holding tanks from the ducted furnace.
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Old 10-19-2019, 07:56 PM   #17
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I know my ACE the tanks are ducted from the furnace. I just turn on my furnace at the lowest setting on the few nights in South Mississippi its projected to freeze. I'm figuring the cost of the propane used is far less than the cost of repairing a cracked tank. If I lived in a cold weather climate I would definetly have electric heaters on the tanks.
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Old 10-19-2019, 08:54 PM   #18
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Quote:
Originally Posted by Badmanrick View Post
Just purchased a 2019 Hurricane 34j. All it says in the brochure is Enclosed and heated holding tanks. Must mean furnace heated. Does anyone know if they are electricly heated?
I also have a 2019 34J for a couple of years, and haven’t found any switches to turn on for tank heating. Haven’t seen much (any) documentation on this either.
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Old 10-19-2019, 09:03 PM   #19
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I also have a 2019 34J for a couple of years, and haven’t found any switches to turn on for tank heating. Haven’t seen much (any) documentation on this either.


I have a 31Z 2018 and just found out that the furnace heats the tanks. Looked for switches for the last year.
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Old 10-19-2019, 09:11 PM   #20
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I also have a 2019 34J for a couple of years, and haven’t found any switches to turn on for tank heating. Haven’t seen much (any) documentation on this either.
Actually, this thread inspired a deeper search and I found this n our 34J Owners Manual:

“ Your vehicle’s holding tank compartments are heated by the furnace duct work. It will heat the tanks when the furnace is operating.”

So, there you go. I would prefer the electric ones. The need to keep those tanks from freezing over while not using the furnace is fairly remote, I admit. But having just done a 3-day cold 38 degree weekend, I was surprised to see that we used 2/3rds the LP capacity. On future cold trips with a full hookup—I’ll prolly bring an electric heater. Then again, relying on the electric too much might allow the tanks to freeze up. :-/
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