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Old 06-18-2016, 05:57 AM   #1
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Installing into permanent sewage question

We will be putting a new Forest river Wildwood on our permanent RV site and sometime I would like to hard plumb the sewage system.

If any one has done this, how hard is it to remove the black and gray tank and do this?
Can you walk me through the process

jack L
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Old 06-18-2016, 06:04 AM   #2
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I recommend you contact a qualified plumber to do this.

As I understand it, once you do things like removing wheels and axles, removing the A-Frame, and permanent connections to the site, it is no longer an RV but a manufactured home. Permits are normally required and it then becomes "Real Estate".
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Old 06-18-2016, 07:37 AM   #3
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Why remove your tanks? I have been full timing now for 2 years and I just go out once a week and dump the black tank and every 3 days on the grey tanks until I hooked mine up to PVC and put a trap in it now I leave my greys open until a day or 2 before I dump my black tank. I like to flush out the pipe good. if you want to hook up PVC instead of the slinky you can do it easily.
I just got a clear straight Flush King and ground off the nubs on the one side and got a 3 inch rubber coupling to connect that to the PVC pipe I made my own trap so I don't get any sewer gas and got a screw in connector for the park connection and I also put in a 3 inch rubber connector near the elbow in case I need to remove it. I went extreme with my trap I probably could have used 4 45s instead of 4 90s. Now its time to clean up my mess of hoses and make a nicer support for the sewer pipe.
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Old 06-18-2016, 07:41 AM   #4
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Physically doing the work isn't too hard.

You'll have to access the inlet connections on the tanks and cut those loose. Once you've done that it's just a matter of finding connectors for the piping and running the piping to the sewer system.
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Old 06-18-2016, 08:08 AM   #5
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You fill have to install a regular house flush toilet if you remove your Black tank.
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Old 06-18-2016, 09:03 AM   #6
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Quote:
Originally Posted by kc8lvy View Post
You will have to install a regular house flush toilet if you remove your Black tank.
kc8lvy is right, the larger volume of water is necessary to move solids down the pipe, .... the regular rv toilet doesn't have enough water with each flush to accomplish that, because it doesn't need to, it's only going to drop the contents into the tank below,..... sure sounds like you're putting a lot of work and cost on yourself that is certainly avoidable

kc8lvy's photos show the most common way that I've seen used on a permanent setup trailer,..... plus, its still a trailer, if your plans ever change, you're selling a regular trailer not a modified unit that would only be useful to a much smaller group of buyers,..... that's just my 2cents worth, best of luck on whatever you decide to do...........
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Old 06-18-2016, 11:43 AM   #7
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I use this set up when I hard pipe for winter.




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Old 06-18-2016, 11:04 PM   #8
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We full time

We full time in a 300 + campground and most the people run a 4" pipe I put a T fitting on mine so I can see what is coming out. I haven't seen anyone have a P trap on there's, I have 3 tanks in a Landmark, black, shower (gray), kitchen sink (gray). I leave the black and kitchen closed with shower open all the time with no problem. I also took a garbage can and cut the bottom out and put all my water connections in there with a trouble light for winter so lines don't freeze. Will try and post pics
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Old 06-18-2016, 11:16 PM   #9
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Old 06-19-2016, 07:23 AM   #10
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Quote:
Originally Posted by kc8lvy View Post
Why remove your tanks? I have been full timing now for 2 years and I just go out once a week and dump the black tank and every 3 days on the grey tanks until I hooked mine up to PVC and put a trap in it now I leave my greys open until a day or 2 before I dump my black tank. I like to flush out the pipe good. if you want to hook up PVC instead of the slinky you can do it easily.
I just got a clear straight Flush King and ground off the nubs on the one side and got a 3 inch rubber coupling to connect that to the PVC pipe I made my own trap so I don't get any sewer gas and got a screw in connector for the park connection and I also put in a 3 inch rubber connector near the elbow in case I need to remove it. I went extreme with my trap I probably could have used 4 45s instead of 4 90s. Now its time to clean up my mess of hoses and make a nicer support for the sewer pipe.
I am very surprised that waste could make it thru that P trap ???
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