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Old 05-10-2016, 02:04 PM   #61
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Originally Posted by karrun View Post
So is this a known Roo issue? We have a 2016 21SS and camp at state parks all the time, so use the tank frequently. I usually check the tank as it is filling and everything looks okay. Maybe I should crawl under there and give it a good going over.
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Originally Posted by Wolverine 1945 View Post
I think it not just a Roo issue,,, maybe A FR issue ???
If you plan to crawl under your unit,,, you might want to make sure the tank is empty !!!
It is a FR issue. I've followed this closely since mine fell. I have a Sierra, but several other lines have had the same problem.

I believe it's two fold. First, the frames are weak and poorly designed. Second, and this was the primary problem with mine, the inadequate air vent coupled with the thread on hose connection mean that even with a regulator the inflow of water can greatly outflow the vent once the tank fills. Just air and it's fine, but once the tank is full it becomes pressurized as the vent can't flow water out fast enough. Given the size of the tank only a few PSI can equal thousand(s) of pounds of force.

That's what happened to mine. I started filling the tank, kept loading up, saw water coming out the vent and as I was walking to turn the water off I heard the frame fail.

I made a valve out of a couple of fittings and a 90* valve so I can cut the flow rate down but eventually I want to either convert it to a gravity feed system or increase the vent size to ensure that can't happen again.

It's a real flaw, that's for sure.
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Old 05-10-2016, 02:22 PM   #62
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Originally Posted by SKnight View Post
It is a FR issue. I've followed this closely since mine fell. I have a Sierra, but several other lines have had the same problem.

I believe it's two fold. First, the frames are weak and poorly designed. Second, and this was the primary problem with mine, the inadequate air vent coupled with the thread on hose connection mean that even with a regulator the inflow of water can greatly outflow the vent once the tank fills. Just air and it's fine, but once the tank is full it becomes pressurized as the vent can't flow water out fast enough. Given the size of the tank only a few PSI can equal thousand(s) of pounds of force.

That's what happened to mine. I started filling the tank, kept loading up, saw water coming out the vent and as I was walking to turn the water off I heard the frame fail.

I made a valve out of a couple of fittings and a 90* valve so I can cut the flow rate down but eventually I want to either convert it to a gravity feed system or increase the vent size to ensure that can't happen again.

It's a real flaw, that's for sure.
I can see your point but as far as Roo's and Shamrocks are concerned the fresh water tanks on them are gravity fed. We don't have a provision to fill from the city water connection.

I would be curious to see if they left any headroom above your tank. On my Roo 23WS they had the tank jammed in tight to the underside of the floor. Even without the pressurized fill ability, the MDPE blow and roto molded tanks can swell considerably when full. With no room above something must give.
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Old 05-10-2016, 04:08 PM   #63
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I can see your point but as far as Roo's and Shamrocks are concerned the fresh water tanks on them are gravity fed. We don't have a provision to fill from the city water connection.

I would be curious to see if they left any headroom above your tank. On my Roo 23WS they had the tank jammed in tight to the underside of the floor. Even without the pressurized fill ability, the MDPE blow and roto molded tanks can swell considerably when full. With no room above something must give.
There's about 1/2" of headroom. It shouldn't swell at all, and the fact that yours is gravity fed and still fell out is really bad.
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Old 05-10-2016, 05:34 PM   #64
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There's about 1/2" of headroom. It shouldn't swell at all, and the fact that yours is gravity fed and still fell out is really bad.
Lol...It did'nt fall out....well not all the way out....lets say it sagged a little. I like to be proactive. And if you watch one of those mdpe tanks when filling they can balloon quite a bit. I seen one lift plywood once in a popup floor.
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Old 07-30-2016, 01:44 PM   #65
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I had the same problem (Coachmen Apex 21'). Was sanitizing the water tank which requires complete 30 gallon fill - next thing - BOOM. It was held in with two flimsy pieces of angle line and literally just resting on one piece at each side. I had to syphon the thing (30 gallons) to be able to lift it back in but it's clear that I will need to take some measures to make a permanent and more secure fit. Thanks for sharing your experiences it really helped me.
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Old 07-31-2016, 05:43 AM   #66
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Maybe when these companies build these RVs they think the tanks will always be empty ??? Or they are not smart enough to figure out how much 30 gallons of water weights !!! Sham on there anises !!!
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Old 07-31-2016, 06:41 AM   #67
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My brand new 25 WAB , the fresh tank bulges down and touches the axle . Today I am gonna put 3 or 5 steel braces fore and aft . I had to do the same to my 2014 Dutchman .
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Old 07-31-2016, 06:53 AM   #68
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My brand new 25 WAB , the fresh tank bulges down and touches the axle . Today I am gonna put 3 or 5 steel braces fore and aft . I had to do the same to my 2014 Dutchman .
NOT RIGHT !!!

Brand new unit & you have to rebuild the frame !!!
Maybe we need to make the builders fix them ???
In hopes they get the message !!!
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Old 07-31-2016, 06:58 AM   #69
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2nd thought !!!
We RV owners are doing way to work on these New unites !!!
We are saving these companies Millions of $$$ every year !!!
By doing there warrantee work for them !!!
Maybe we are the reason for the shoddy work they do ???
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Old 07-31-2016, 08:42 AM   #70
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I been thinkin about what Wolverine said about workin on these things , I have had four Forrest River products . I guess when I fill out my next resume I can honestly say that I work for Forrest River doing their warranty work .
I like F.R. and I kinda get a kick outta fixin some of their problems .In shop Warranty repair is a pain in the butt when ya use your unit every day and live many miles away from your dealer .
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