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Old 12-15-2013, 08:21 PM   #11
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Location: mid Michigam
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Frost forms on the tank due to the vaporization process of the liquid propane going to gas inside the tank. There is always the cooling going on as the liquid vaporizes. It gets worst in high humidty and/high draw of gas. You could have a leak. Turn off all you gas appliances and see if the frost goes away and check your lines and connections for leaks with a soapy solution.

I think though that as others have said I think you had either higher furnace use due to cold nights or a short fill on the tank.

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Old 12-16-2013, 09:36 AM   #12
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Location: Greenwood, In
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Total up your BTU load and then look at the attached chart.
You will see that a 30# cykinder 25% full at 40degrees will only vaporise 24,700 btu depending on furnace size, if water heater and fridge are running and you are using the stove you are real close to that.
The way to fix it is keep the tanks full and or get bigger tanks

Any propane tank at this time of year under load will show a frost line. Its normal you dont notice it in the summer.
If you are concerned about a leak mix up some soapy water and brush it on all the fitting and connections, it will bubble it there is a leak. This time of year use low temp windshield solution instead of water.

Good luck
Attached Files
File Type: pdf Cylinder Vaporization Rates.pdf (431.8 KB, 21 views)

Jim & Debbie England
Do you have Gas? 2015 F350 6.2L CCLB DRW 4.30 axle. 2012 Yellowstone Ridgeline 34RLT Fifth Wheel
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Old 12-16-2013, 06:05 PM   #13
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Thank you all for your responses. I'll look into it all. I appreciate your inputs.

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leak, propane, tank

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