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Old 07-15-2020, 08:22 PM   #1
Riley
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Black waste tank size

Hello, my wife and I just purchased a used 2014 cougar xlite model 29 RLI. I looked up the specs and noticed the black water tank reservoir only holds 28 gallons, can this be correct, seems a little small. Also the specs noted one gray water tank but my unit has two gray water valves. Anyone out there know about this cougar and may know about the waste tanks? BTW, live the 5th wheel and its in really good shape.

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Old 07-15-2020, 09:40 PM   #2
bobbecky
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This is a link to the original brochure. It does appear that except for your fresh tank, all the three waste tanks are 28 gallons each, one black, one gray and one galley(also gray). https://www.keystonerv.com/media/232...-east-2014.pdf
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Old 07-16-2020, 03:35 AM   #3
Northofu1
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The brochure for mine also says one grey tank but I do have two, with two grey valves. They are also 28 gallon tanks.
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Old 07-16-2020, 05:00 AM   #4
Keystoned
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Small tanks give me pause also but using better probes may alleviate some concern. I swapped in these on mine this year;
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Old 07-16-2020, 05:22 AM   #5
JRTJH
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Keystone has historically used TOTAL gray capacity in their specifications. There is no mention anywhere in their brochures that indicates the number of gray tanks, just the total capacity.

My 2014 Cougar XLite also has the 28 gallon tank capacity. There are three tanks, a black tank (28 gal) a bath gray tank (28 gal) and a galley gray tank (28 gal).

There is a "price to pay" to buy a "light weight/ultra light" trailer. That's called the effects of weight reduction. One of the ways to reduce total trailer weight is to reduce the amount of water weight when the tanks are full. The use of smaller tanks on light weight trailers was "all the rage" with every manufacturer during those production years... In fact, if you look at the 2014 XLite and the 2014 Cougar Half Ton (the west coast model) you'll find that the way Keystone handled that "weight reduction" when installing the 60 gallon fresh water tank, at least in the 27RKS (XLite) and 279RKS (Half Ton) was to remove one of the rocker/recliners (about 100 pounds) to compensate for the increased 100 pounds of fresh water capacity...

Anyway, yup, the XLite models in 2014 reallly had 28 gallon waste water tanks. And, when you remove the 6 gallons in the water heater, those trailers, with their 43 gallon FW capacity, reallly only carry 37 gallons of fresh water.....
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Old 07-16-2020, 05:42 AM   #6
Riley
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Thanks to everyone for the responses, I'm a little disappointed in the tank sizes but we just camped in it and used the tanks for a little over a week with no issues. The unit is really in great condition for its year. We'll just have to be careful. Thanks again for the responses. Cheers!
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Old 07-16-2020, 07:07 AM   #7
gearhead
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We had a 2014 28SGS and didn't have an issue with tank capacity. Usually if we didn't have full hook ups it was just a long 3-4 day weekend. That's a good trailer. I did have greaseable bushings/pins installed on the springs.
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