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Old 06-29-2013, 04:49 PM   #1
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Macerator with 5/8 hose . has anyone tried it?

With all the rain, I am not able to get to my cleanout as I have to drive over the lawn and the ground is too soft. I was thinking about getting a jabsco or johnson macerator pump and some garden hose. Make some sort of adapter for it to fit the 3 inch flange. I do have a 100 foot section of 5/8 that I use for the lawn and my question is:
Has anyone used 5/8 hose with a macerator?

I do have a johnson 1 1/2 inch inlet/outlet diaphragm waste pump with some flat discharge hose I could probably use but it doesn't chop anything. I was thinking of just using the diaphragm pump but I think I better get the macerator to avoid any clogs.
So am I good to go with the 5/8 hose if I get the macerator or should I order a 3/4 inch garden hose?

I figure I will need it again as this isn't the first time I have not been able to dump, plus it will save some maneuvering around trees.
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Old 06-29-2013, 05:25 PM   #2
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I have only used a 3/4" extension hose for my macerator. Pumping 100' with a 5/8" might be a bit of a stretch but why not try it with grey water. Does it have to elevate the liquid?

The chopping impeller must do a good job to ensure the solids from the black tank are nearly liquified to enable a smooth flow on a smaller sized hose.

I have pumped 97' with an elevation of 7', but that is with 75' of 3/4" hose and 22' of the 1" hose that came with the macerator.

My current RV has a built in Macerator so I use it 100% of the time and it works great. Mine is a FloJet I think.

Good luck
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Old 06-29-2013, 05:32 PM   #3
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I use the Clean Dump RV Macerator Pump & RV Waste Disposal Accessories with 1" hose that will pump 150 feet up hill. CLEAN DUMP is Made and Assembled in the USA!
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Old 06-29-2013, 05:57 PM   #4
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It's all level ground to the cleanout. I guess I could always buy another 25 foot section of the flat discharge hose. I have 75 feet for the other waste pump

1-1/2" x 25 Ft. PVC Discharge Hose

If I can use my 5/8 yard hose though, I would just use that instead of going through the hassle of the extra clean up with the discharge hose.
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Old 06-29-2013, 06:48 PM   #5
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I have pumped thru 5/8" hose when that's all that was available, but anything more than 50 feet caused the pump to blow its fuse. Too much back pressure, I presume. I had about 65 feet to go, so I put a "Y" on the end of the 50 foot hose and connect two 25 footers in parallel and managed to do the job, but I also stopped periodically and let the pump cool a bit.
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Old 06-29-2013, 07:11 PM   #6
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Thanks. I guess I might have to get another section of the flat hose then, that should work ok
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Old 06-30-2013, 11:26 AM   #7
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I wonder if a y adapter on the hose/outlet with another hose hooked up to the house spigot ( with a backflow valve ) would help push it the distance.
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Old 07-09-2013, 08:48 PM   #8
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Ended up buying a camco sewer flange to 3 inch npt adaptor online. HD I got a 1 1/2 cleanout fitting glued that into an adaptor/reducer to bring it up to a slip fit/female threaded pvd 3 inch fitting. Nice neat setup on the input side to the pump.
Output a clear 1" hose to a 3/4 nipple/3/4 tee/ another 3/4 nipple and a 3/4 npt to male hose fitting. Off the tee I attached a hose shut off valve so I could hook up a hose to wash out the discharge hose.
Tried the gray tank first. No problem.
Black tank: Pump handled the discharge into the 5/8 hose but would heat up and shut down after about 3 minutes. I gave it a rest to cool and repeated. Worked well.
I have two 5/8 hoses so I was thinking I could always use the tee fitting and hook up another hose to use as output. But as it is it did the job. I think I might have had trouble if it had to go uphill, but since I was level it worked.
I attached a water hose to the tee and flushed out the discharge hose and put that back into action for the garden
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