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Old 07-21-2014, 06:48 AM   #11
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On our 2014 x23b all the paper work said the fresh water tank was 29.5 gal. Fill it up for the first time a few weeks ago and seemed to take forever. After we got back, sent an email to Jayco with the vin #. They responded in just a couple of days and said that we had a 49 gal tank.


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Old 06-30-2015, 07:21 AM   #12
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I am in the same situation. 1998 Jayco Eagle 283g. Cannot find the capacity of holding tank or gray and black. The dealer did not know it either.

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Old 06-30-2015, 07:49 AM   #13
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Originally Posted by norty1 View Post
In that case, I would fill them up till they are full and dump the water in 5 gallon buckets. Then you will know and your lawn will love you.
Good suggestion I would first fill just the fresh water tank and drain it Then use that water to fill the gray tank then drain and use that for the black tank. May require a little more work but may not waste as much water doing it that way.
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Old 06-30-2015, 08:04 AM   #14
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Old thread resurrected!

As opposed to filling a tank and draining it into 5 gal buckets to determine capacity, get a hose and fill your five gallon bucket and time how long it takes. Turn the spigot the same rotation every time and use the same hose, and you'll know based on time how much water you've flowed.

Mine is: Spigot opened up 180*, takes one minute to fill a 5 gal bucket; so my flow rate is 5 GPM. I use the same spigot and the same hose each time.

Now take that known flow rate and fill each tank to its max, and use the time to tell you how much you put in there. Bingo, you know your capacity exactly.

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Old 09-13-2016, 05:51 PM   #15
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How big is the fresh water tank on a 1989 Jayco travel trailer with 5th wheel

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