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10-12-2020, 03:42 PM
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#1
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Junior Member
Join Date: Apr 2019
Location: Cincinnati
Posts: 21
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Tank heaters self regulated?
One simple quick question: I have a 2018 Fuzion 357 toy hauler. Are the tank heaters in the underbelly self regulated? In other words, can I turn them on when camping in colder weather and not worry about them getting too hot?
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10-20-2020, 12:30 PM
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#2
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Senior Member
Join Date: Mar 2020
Location: Prince George
Posts: 184
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I've been told yes. Don't however do this without Genny/shore power. I don't think your batteries would last long.
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10-20-2020, 03:02 PM
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#3
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,015
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Each tank heater separately controlled thermostat...comes on at 47 degrees and off and 67 degrees
__________________
2007 GMC Classic club cab 4x4 Duramax LBZ
2014 Alpine 3010 RE. 34 foot fifth wheel
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10-20-2020, 04:41 PM
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#4
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Senior Member
Join Date: Feb 2017
Location: Dade City
Posts: 1,039
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The Trekwood parts list for your 2018 Fuzion shows' two tank heaters, only one is thermostatically controlled. So...???
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10-20-2020, 04:55 PM
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#5
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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Quote:
Originally Posted by Big 417
I've been told yes. Don't however do this without Genny/shore power. I don't think your batteries would last long.
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I don't do a lot of cold country if I can help it, but I've always wondered if people who do, leave the heaters on when they're traveling at those temperatures?
__________________
2019 Cougar 26RBSWE
2019 Ford F-250
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10-20-2020, 06:49 PM
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#6
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,015
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In reference to the tank heaters and what Trekwood shows one shows thermostat and the 12x18 doesn’t...
However... this appears to be same 12x18 heater pad nad it is controlled via a thermostat...Ma6nenthey make a tank heater without a thermostat but to me that would stupid...
https://www.recpro.com/rv-tank-heater-pad-12-x-18-12v/
__________________
2007 GMC Classic club cab 4x4 Duramax LBZ
2014 Alpine 3010 RE. 34 foot fifth wheel
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10-20-2020, 06:52 PM
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#7
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,015
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I’ve traveled in temps at 15 below zero with our Alpine. It does not have heated tank heaters... I wasn’t able to dump so I ran the furnace and relied on furnace belly heat to keep tanks from freezing till I got into warmer weather.
And yes... the tanks will freeze at 15 below when towing at 60mph . Learned that lesson several years ago coming out of a snow storm in the mountains during an elk hunting trip with one of my toy haulers.
__________________
2007 GMC Classic club cab 4x4 Duramax LBZ
2014 Alpine 3010 RE. 34 foot fifth wheel
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10-22-2020, 05:23 AM
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#8
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Junior Member
Join Date: Sep 2020
Location: Colorado Springs
Posts: 6
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Morning Everyone,
I have a 2019 Impact 28V. It has heated enclosed tanks, but I can't find any switches for it to make sure they are on. Any idea how I operate the tank heaters? We have an end of the season dry camping bash this weekend and temperatures will dip in to the teens.
Thanks
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10-22-2020, 05:49 AM
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#9
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,351
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If you don’t have switches then you have a heated underbelly that relies on the furnace and ductwork to “heat” that area.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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10-22-2020, 05:58 AM
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#10
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Junior Member
Join Date: Sep 2020
Location: Colorado Springs
Posts: 6
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Thanks Chuckster, so I assume as long as the heater is on I'm good....
It's supposed to dip into the teens tonight as well and I was worried about filling the tanks before heading into the mountains.
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10-23-2020, 02:11 PM
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#11
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Senior Member
Join Date: Jan 2019
Location: Danville
Posts: 172
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Quote:
Originally Posted by ChuckS
Each tank heater separately controlled thermostat...comes on at 47 degrees and off and 67 degrees
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I have 3 switches for 3 tanks. They appear to be a lighted switch, although I have not turned them on. Told the kids if they touch em they sleep outside.. ..
My question is, in a cold use scenario, with the temps you state for on/off, do the switches light up when on, and go dark when it warms and goes off? Just curious if this is an indicator switch, or just an on/off switch.
__________________
John
2020 Keystone Fuzion 369
2020 Ram 3500 CTD DRW 4x4
2018 Honda Goldwing DCT Tour
Andersen Ultimate hitch
Youtube channel - Wingin' it with John
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10-23-2020, 03:01 PM
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#12
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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Quote:
Originally Posted by JJaxon
I have 3 switches for 3 tanks. They appear to be a lighted switch, although I have not turned them on. Told the kids if they touch em they sleep outside.. ..
My question is, in a cold use scenario, with the temps you state for on/off, do the switches light up when on, and go dark when it warms and goes off? Just curious if this is an indicator switch, or just an on/off switch.
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It's one of those switches where the light means, "You left me on again, dummy!"
__________________
2019 Cougar 26RBSWE
2019 Ford F-250
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07-25-2023, 10:24 PM
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#13
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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Gray tank heaters?
I know this is is an old thread, but this question probably doesn't deserve a thread all its own.
I don't do cold country traveling if I can help it, so I've never used my tank heaters. It just occurred to me that I have three heater switches -- fresh, gray, and black -- but four tanks (two grays). Is it just taken for granted that the gray switch controls heaters on both gray tanks?
__________________
2019 Cougar 26RBSWE
2019 Ford F-250
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07-26-2023, 09:14 AM
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#14
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,351
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Quote:
Originally Posted by LHaven
I know this is is an old thread, but this question probably doesn't deserve a thread all its own.
I don't do cold country traveling if I can help it, so I've never used my tank heaters. It just occurred to me that I have three heater switches -- fresh, gray, and black -- but four tanks (two grays). Is it just taken for granted that the gray switch controls heaters on both gray tanks?
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I would figure if you have 2 grays and one switch, they would be wired as one circuit. Only way to verify would be to either drop the edge of the coroplast and look or put a DC amp clamp on a known single heater switch and then the suspected double switch and look for an increase in draw.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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