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Old 03-22-2019, 10:39 PM   #1
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Default Macerator broken

My macerator broken. Replace with what? Not fan of one in unit now, very little use, should not be broken. What is recommended replacement. Thanks for help. 09 Roadtrek Versatile
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Old 03-24-2019, 03:08 AM   #2
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My macerator broken. Replace with what? Not fan of one in unit now, very little use, should not be broken. What is recommended replacement. Thanks for help. 09 Roadtrek Versatile
What has failed? Does the pump run at all? Is the impeller jammed or broken?

Our 2017 210 Roadtrek 210 uses a Shurflo 3200-001 Fishbox pump.
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Old 03-24-2019, 05:11 AM   #3
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Default Macerator

The motor does not run. The impeller, if I try manually, just freely turns. Nothing happens. Tanks are empty right now. Donít want to put anything in until old pump is replaced.
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Old 03-24-2019, 05:21 AM   #4
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The motor does not run. The impeller, if I try manually, just freely turns. Nothing happens. Tanks are empty right now. Donít want to put anything in until old pump is replaced.
Is there a fuse for this pump on your 12 Volt DC distribution panel?
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Old 03-24-2019, 06:23 AM   #5
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Default Macerator

Yes, I believe so. Hmmm, did not check that. Will tomorrow. Just thought since impeller was floppy it must be needing replacing. But will check fuse. Thx
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Old 03-26-2019, 06:00 PM   #6
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Just as a side comment, I removed the macerator system on my 2007 190P. It wasn't a great system from the start. I converted mine very easily to the standard gravity dump. All it took was I think around $20 - $30 and a couple of simple items bought at Home Depot. The conversion was easy with the hardest part being the removal of the macerator pump skid plate that RT never intended to be removed. Gravity works very reliably. I do need to note that our coach is a 4x4 so it sits higher and is more accessible.

Something else to consider is NOT putting toilet paper down the toilet after use. Maybe there is another discussion elsewhere about this. If you follow this advice, the waste system dumping becomes very less likely to have problems.

As I started out, it's not a solution to your current problem but maybe a solution for future ones.
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Old 03-26-2019, 06:23 PM   #7
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Well, I don't want to become known as the big defender of macerators, but just to balance things:

I have had two vans with macerators. On our old Airstream, I added it myself before the toilet was ever used--dual dump. On our GWV Legend, I reworked the plumbing to support dual dump. Between the two, it has been 14 years. I have NEVER had a failure. I would NEVER own a rig without a macerator.

Yes, I understand that gravity always works. But that isn't the point at all. It is about sanitation, pleasantness, and ease of use. A proper macerator setup is completely sealed. No smell, no storage of slinkies, no mess. We do not hesitate to use paper (although we DO try to stick with septic-tank-safe paper). Yes, gravity dumping can do the job, but to me, that is like saying that I can shower with a bucket of water rather than having a wet bath. The statement is true, but I am just not interested.
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Old 03-26-2019, 06:31 PM   #8
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Default Macerator system

I had someone send me pics of gravity system he replaced macerator with. Looks very easy. But cannot do the work myself and know no one who can. So my only choice is to take to Rv repair shop for repairs. I never put toilet paper down into tank. This macerator has been used rarely and not abused. As I understand it Roadtrek installed them upside down so liquid gets into motor. Typical Roadtrek. So, just wanted to know what would be a better replacement rather than original equipment? I still have not checked fuse. Really think impeller is broken.
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Old 03-26-2019, 09:14 PM   #9
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When I bought my second RT (current one) I was totally onboard with the macerator concept. It sounded good on paper. However, it wasn't as good as I thought it would be. The white stuff hose that RT used was an atrocity. It would break or get holes when putting it in the storage compartment especially when cold. Alot of people replaced theirs with a quality hose. The factory hose never fully emptied because of the deep ridges. There were some other issues that were a result of poor design. Concerning my particular RT, emptying with the macerator took longer than doing it the conventional way. Other coaches may be different. The day the macerator decided to quit was not a happy day. You are basically screwed and there is no quick or inexpensive fix. The only way you can deal with the immediate situation is to unscrew the clean out cap on the right side of the coach. Position the coach as best that you can over/near a sewer hole, pull the tank lever, stand back and watch the show happen. Then pull out your wallet and get ready to write a big check to remove and replace the defective macerator.

I am trying to keep my discussion about the RT macerator system and what my experience is with that particular system. Concerning your possible conversion to gravity, think about how low you will have to stoop to connect it, ground clearance, ease of use, etc. For me and my situation, the conversion to gravity was the best thing I could do to rid myself of the RT macerator problems. As I said before, my RT sits higher and so the ergonomics of the conversion system is just fine. I am away from my RT for a couple weeks. Otherwise I would take a picture of it and post it here. I think a mobile RV mechanic could easily do the conversion. Your coach would have to be jacked up for access underneath. Mine I can crawl under as is without jacking.
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Old 03-27-2019, 07:52 AM   #10
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Getting 10 years out of a macerator pump even with low use sounds like a pretty good lifetime considering itís job. I had to rebuild mine at 4 years.
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