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Old 08-23-2016, 12:19 PM   #1
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Question Question on double fresh water tanks.

I know the Jay Flights with the Elite Package come with 2 38 gal fresh water tanks.

How do they work? Does each have it's on water fill?

Are they connected in some way and will flow from one to the other?

When fresh water is used, is one tank emptied first, and then the second?

Or is water taken from both tanks at one time.

If I were going out just for the weekend and only needed one fresh water tank, could I fill only one and just use it?

Thanks
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Old 08-23-2016, 12:51 PM   #2
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They are connected by a hose or hoses if im not mistaken. My folks just bought a 29RKS and it has the elite package with 2 tanks. It does take a bit longer to fill due to the size. Their camper only has 1 fill for both tanks, but each tank does have its own drain. Maybe you could mod it to use only one tank, but im really not sure.
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Old 08-23-2016, 03:10 PM   #3
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I have been told that they are connected by a hose in the bottom of the tank. They equalize when you fill the one. The gauge only indicates one tank cause they are the same level.
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Old 08-23-2016, 04:06 PM   #4
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I have been told that they are connected by a hose in the bottom of the tank. They equalize when you fill the one. The gauge only indicates one tank cause they are the same level.

I have the double tanks. One fill, one gauge, two overflows, two drains. They work as one.
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Old 08-23-2016, 05:56 PM   #5
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I also have two tanks. I suspect the fill hose few into one tank. As such, you have to fill and then let sit a few minutes to equalize. Then, you can get a few more gallons in if that is important. Or, fill more slowly. One fill one gauge. Cannot separate.
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Old 08-23-2016, 06:02 PM   #6
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You may cease the speculation.

The two tanks act as one. There is a 1/2 inch hose connecting the two tanks. There is one fill port and two overflow tubes and two drain valves.

And they can be slow to equalize when filling.
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Old 08-23-2016, 07:39 PM   #7
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Thanks for the replies. Would have been better if there 2 fills, but what do I know.
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Old 08-23-2016, 07:50 PM   #8
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Thanks for the replies. Would have been better if there 2 fills, but what do I know.
I prefer it the way it is myself.. but a nice option might be to be able to select tanks, kind of like how the propane system works. Then we'd need multiple gauges for the 2 water tanks though. All I know is my grey tank is FULL way before I'm out of water. Still working on managing that a little better. And speaking of the propane situation, there has to be a semi accurate method of determining what is left in those without spending a half hour on it... constant research since I bought mine.
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Old 08-24-2016, 05:44 AM   #9
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... And speaking of the propane situation, there has to be a semi accurate method of determining what is left in those without spending a half hour on it... constant research since I bought mine.
The best way to manage your propane is to have an automatic changeover regulator. When one tank is empty it automatically switches to the full tank.

Check the indicator at the end of each camping trip. Refill the empty bottle when needed. Never run out of propane.

Never have to get up in the middle of the night to switch bottles.

I have read where some people who have the automatic changeover regulator but only the valve of the tank they are using is on. The other one is off. This defeats the purpose of the changeover. You need to leave BOTH valves open.
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Old 08-24-2016, 05:49 AM   #10
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Well, if you only want to use one tank, fill the two tanks only half way full.
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