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Old 01-02-2019, 11:07 AM   #1
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Use a garbage disposal as a RV macerator?

Been looking at macerators for the RV. Discovered some use garbage disposals. Any one use such an arrangement? Any words of wisdom?
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Old 01-02-2019, 11:08 AM   #2
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Been looking at macerators for the RV. Discovered some use garbage disposals. Any one use such an arrangement? Any words of wisdom?
Like you... I've read about it.
Never seen it but not sure I'd want to either!

Best of luck if you do and post your results.
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Old 01-02-2019, 11:22 AM   #3
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A garbage disposal in the kitchen sink of an RV is probably not a good idea.

You most likely will have a real hard time trying to get that sludge out of the gray tanks.
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Old 01-02-2019, 11:33 AM   #4
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Macerators have a pump behind the grinder blades, garbage disposers do not. So you would have to have the discharge hose going down hill to the termination point, unlike the macerator that can pump uphill and long distances.
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Old 01-02-2019, 11:50 AM   #5
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They use the garbage disposal outside on the ground, similar to a 'normal' macerator. I even found a website that sells kits to turn a disposal into a 'macerator'. The video shows him 'pumping' 100 feet thru a garden hose and even holds the hose up seven feet with a steady flow.
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Old 01-02-2019, 12:35 PM   #6
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My house uses one, everything coming from the house is ground to a slurry and shot up a pipe the size of a garden hose 1/3 mile up the street to there the sewer pipe is as my house is well below the city sewer. Can't see why it wouldn't work for a camper other particles building up in the tank if not flushed enough.
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Old 01-02-2019, 12:59 PM   #7
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Why not? They make great margarita machines!

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Old 01-02-2019, 01:44 PM   #8
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Note to self after several Margaritas....
DO NOT use mixer for double duty as the sewer discharge piping.....LOL!
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Old 01-02-2019, 02:02 PM   #9
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I will attempt to re-claim this thread by re-asking if any one has any experience with the original subject matter? Would appreciate any feedback before I give this a try.

Watching a few videos of 'regular' macerators (with the 12 volt motors) pumping long distances, it seems they struggle, and the reviews are underwhelming. It strikes me that a larger motor on 120 volts might work out better, though they (garbage disposals) weren't intended to do this....at least I didn't think so.
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Old 01-02-2019, 02:23 PM   #10
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Been looking at macerators for the RV. Discovered some use garbage disposals. Any one use such an arrangement? Any words of wisdom?
110 volt macerator pump

Homemade macerator pump
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