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Old 10-12-2020, 03:42 PM   #1
Fuzion1278
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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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Old 10-20-2020, 12:30 PM   #2
Big 417
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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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Old 10-20-2020, 03:02 PM   #3
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Each tank heater separately controlled thermostat...comes on at 47 degrees and off and 67 degrees
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Old 10-20-2020, 04:41 PM   #4
Frank G
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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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Old 10-20-2020, 04:55 PM   #5
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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.
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?
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Old 10-20-2020, 06:49 PM   #6
ChuckS
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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/
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Old 10-20-2020, 06:52 PM   #7
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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.
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Old 10-22-2020, 05:23 AM   #8
TheLoveClaw
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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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Old 10-22-2020, 05:49 AM   #9
chuckster57
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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.
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Old 10-22-2020, 05:58 AM   #10
TheLoveClaw
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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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Old 10-23-2020, 02:11 PM   #11
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Quote:
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Each tank heater separately controlled thermostat...comes on at 47 degrees and off and 67 degrees
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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Old 10-23-2020, 03:01 PM   #12
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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.
It's one of those switches where the light means, "You left me on again, dummy!"
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