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Old 08-31-2016, 07:07 AM   #11
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The heating pads cycle between 44F and 64F; BUT they need to be turned off when the tank is empty per the manufacturer's instructions.

They can not monitor the temperature of "air" so they will remain ON as long as the air temperature is below 64F. I assume that is the same issue with "duct tape" as there will be an air layer between the pad and the plastic tank. That could also result in the pad remaining on even with liquid in the tank.

UltraHeat RV Tank Heaters
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Lou and Laura with Bella - German Short Hair Pointer
2008 GMC Sierra 2500HD Crewcab SB Allison Duramax
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Old 08-31-2016, 11:45 AM   #12
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What Herk said.

I would think the real freeze danger would be the pipes and hoses freezing before fifty gallons in a fresh water tank.

My unit is equipped with an "Artic Pak" that I use when temp will be below freezing for a few hours but always turn off when temp goes up.



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Old 08-31-2016, 12:16 PM   #13
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Heating Pad on Plastic Fresh Water Tank

I have a heated pipe wrap that I still need to add. Also have a heat gun just to make sure I can work the valves if I don't get the pipe wrap done before my trip. Also was thinking I could put some antifreeze/windshield wiper fluid into empty gray and blackwater tanks and that would go down the pipes to the valve area if there was a big cold front going through. Probably need maybe one gal or so. Not great fix for winter camping but I just want to get through a few cold days in the Colorado mtns in Oct.

Also put some insulation around the heating pads and tanks. For the person who asked about how to reattach the pad - I used Permatex Ultra Black to attach the first insulation over the pad and to the tank. I used Reflectix ST16025 Staple Tab Insulation 16 Inch x 25 ft Roll from Amazon for the first layer of insulation. Used Gorilla tape to hold in position while the Permatex dried.

My only concern now is the cold finger drain on the fresh water tank. It's hangs down a couple of inches. I will insulate but that won't work for long.
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Old 08-31-2016, 07:43 PM   #14
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Mine cane with it on the tank
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Old 09-01-2016, 06:38 AM   #15
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Mine came installed from the manufacturer

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fresh water, heating, tank, water, water tank

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