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Old 12-18-2014, 09:05 PM   #1
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Black and gray water valves

Hey all, just dawned on me tonight when I was emptying the tanks on my hyperlight. My grey water valve for the bathroom tank is actually behind the black water valve! In other words, if I only want to empty the grey water tank, I have to open the black water valve. We all know what that means

Is this the case with all the hyperlight 29hfs??? Or is mine the special one Thanks for any help.


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Old 12-19-2014, 07:33 AM   #2
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It's the case on all of them. My parents have a 29hfs and recently took it in for warranty work, after the salesman said it was incorrect as well. forest river denied the warranty work and stated that's how the trailer was designed...

Seems like a pretty dumb design......... It limits where they can camp, pretty much requiring them to have sewer hook up or take showers at te facilities


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Old 12-19-2014, 08:31 AM   #3
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My 29 is not designed that way. I was built this summer....? Both gray tanks and the black emty into the same pipe of coarse. But I don't need to open one to dump the other. Do you have a picture of your setup?
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Old 12-19-2014, 08:40 AM   #4
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If the dealer will not fix the problem I would change the plumbing myself. Gray water shutoff should not empty into black tank.
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Old 12-19-2014, 08:55 AM   #5
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I agree with caper. If the black and grey are "in line" so to speak, I'd make the change myself. When we camp with full hookups we often leave our grey valves open so we can take full length showers etc. but we don't dump our black until the end of the trip. With your setup this would be impossible. Seems strange they would set the trailer up this way.
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Old 12-19-2014, 09:15 AM   #6
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Attached is a picture of the current setup. I am going to try and take it to the dealer for repair, but if they won't do it. I will have to, since we plan on using it the way you mentioned. It seems really silly the way they set this up.
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Old 12-19-2014, 09:18 AM   #7
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Quote:
Originally Posted by TexGent View Post
Attached is a picture of the current setup. I am going to try and take it to the dealer for repair, but if they won't do it. I will have to, since we plan on using it the way you mentioned. It seems really silly the way they set this up.
Wow, how hard would it have been for FR to put the black valve right before the grey outlet meets the main stack! Crazy setup but at least it looks rather simple to fix.... Hopefully it will be on the dealer's dime but if you do have to pay, it's a small adjustment.
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Old 12-19-2014, 09:18 AM   #8
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Here is my parents set up, handle in the back ground is the bathroom gray , handle in foreground is black tank

My dad just picked theirs up from fun town on Thursday for the warranty work and was provided with the explanation that forest river provided of all the xlr being plumbed this way.

I agree it needs to be corrected, initially when he called their salesman about it he was told FR knew about the issues and that a couple units left the factory this way and they would fix it under warranty. When the time came he was told the complete opposite. Not sure who could be contacted to get a straight answer. I'm pretty sure their unit is a 2014


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Old 12-19-2014, 09:28 AM   #9
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Looks the same as ours. Ours is a 2014. If they won't cover it under warranty, we will do it ourselves, just wish I had noticed it before we used the tanks
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Old 12-19-2014, 10:02 AM   #10
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That is one crazy design. Looks like the grey handle is really hard to reach as well.


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