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02-16-2020, 09:14 AM #1
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2020 Reflection 303RLS 87 Gallon Grey Holding Tank
Anyone know the capacities of tank one and tank two? We seem to fill tank two rather quickly.
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02-16-2020, 03:05 PM #2
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- NW Arkansas -
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I have not measured but I believe both tanks are equal size. Our fresh water has always been our limiting factor when camping without hookups. If your grey water tank from the kitchen fills up first, you can always dump your dishwater in to the black tank to slow the filling of the tank.
Geoff and Cheri
2011 F250 CC 6.7L
Firestone Ride Rite Airbags
Pull Rite 16k SuperGlide
2018 Reflection 303RLS, Build date 9/2017
USMC-Retired
Thin Blue Line - Retired
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02-16-2020, 04:24 PM #3
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Fresh is 60
Gray is 87
Black is 47
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02-16-2020, 05:00 PM #4
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Geoff and Cheri
2011 F250 CC 6.7L
Firestone Ride Rite Airbags
Pull Rite 16k SuperGlide
2018 Reflection 303RLS, Build date 9/2017
USMC-Retired
Thin Blue Line - Retired
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02-17-2020, 06:56 AM #5
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I would think they are about 47 gallons each. I don't think with how these things are made that they would use different size tanks. It would be simple to make all three the same with more for the water. I don't think the math works for 47 but it's so close to the black tank that it only makes sense for them to be the same.
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02-17-2020, 07:07 AM #6
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You can also put an external shut-off valve (Valera makes one) on the end of your dump pipe. Keeping it closed, you can pull both valves on you grey tanks, allowing them to equalize. We’ve done this a couple of times, as the shower/bath sink fills first for us. Depending on where you are (such as a state park, without formal hookups), there may be a spot in the park for community water and dumping of grey water, like if you are tenting. You could dump your dish water there, if it’s allowed.
Tom and Janice (known as Tom in PGH on the “other” forum)
First came the 18' Comfort bumper-pull, was great for 20 years.
Now a 2019 Reflection 303RLS, second air, double glass, table and chairs
2019 F350 Lariat (Diesel) 4x4 Crewcab with lots of goodies
Andersen aluminum with the puck system holding it all together
Cranberry Twp. PA, about 30 miles north of Pittsburgh
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02-17-2020, 07:27 AM #7
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We have used the extra valve on the end of the waste line from the get-go. That way you can equalize the filling of the two gray tanks and they behave like one tank. You don't want to do this in cold weather, though, since the exposed part of the discharge line will freeze and crack... it would be a PITA to replace. When temps are forecast to get near or below freezing, I go back to keeping the tank valves closed and the discharge line empty.
RobU.S. Army Retired
2012 F350 DRW CC LB Lariat PS 6.7
2020 Solitude 310GK-R, MORryde IS, disc brakes,
Sailun LRG tires, solar, DP windows, W/D
(Previously in a Reflection 337RLS)
Full time since 08/2015
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02-17-2020, 09:11 AM #8
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Thanks for the feedback.
Mike and Lainie
2020 Reflection 303RLS
2017 Ford F-250 6.7L Super Duty 4X4
Andersen Ultimate Fifth Wheel hitch system
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02-18-2020, 08:24 AM #9
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Yeah - We went to the Valve after out 1st trip. ONLY because when I got home and decided to flush the tank again (I have a sewer hook up at home), when I took the cap off, there was residual "stuff" there. Not Nice. I had not thought about the longer drain lines on the new rig. THat made me buy the valve. I had never even thought about equalizing the tanks before.... Our third trip this year will be a test for that!
Bob (retired) & Vicki
Scuba Diver
US ARMY Vet (Go Cav!)
2019 Reflection 31MB
2019 Chevy 2500HD LT Crew Cab Gasser
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02-24-2020, 02:18 PM #10
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I found out from a GD rep that the galley is 47 and the bath is 40. Thanks all for the feedback
Mike and Lainie
2020 Reflection 303RLS
2017 Ford F-250 6.7L Super Duty 4X4
Andersen Ultimate Fifth Wheel hitch system
Re-pack bearings necessary?
Today, 09:29 PM in Axles, Brakes, and Suspension