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Home » Public Forums » GMCnet » To macerate or not? (Macerator)
To macerate or not? [message #227472] Mon, 28 October 2013 20:39 Go to next message
Lightfoot is currently offline  Lightfoot   United States
Messages: 22
Registered: October 2013
Location: Southeast USA
Karma: 0
Junior Member
Hey everyone.

I want to know the real pros and cons of why adding a macerator unit to the coach is advisable or not. It seems like its just a bells and whistle item. What are your thoughts?

I'm trying to go through the old messages, but I did not find this discussion in my search. FYI... I am about to redo the whole plumbing system on the palm beach.

Thanks


Chris Lightfoot Working with a '73 palm beach. Mary Esther FL
Re: To macerate or not? [message #227474 is a reply to message #227472] Mon, 28 October 2013 20:48 Go to previous messageGo to next message
tphipps is currently offline  tphipps   United States
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Registered: August 2004
Location: Spanish Fort, AL
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Senior Member
Very short answer. Yes. Makes dumping the waste tanks a very easy task. Garden hose is easier to handle than the 3" waste hose, and stores better.
Tom, MS II


2012 Phoenix Cruiser model 2552 KA4CSG
Re: To macerate or not? [message #227475 is a reply to message #227472] Mon, 28 October 2013 20:48 Go to previous messageGo to next message
GeorgeRud is currently offline  GeorgeRud   United States
Messages: 1380
Registered: February 2007
Location: Chicago, IL
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Senior Member
Mine came with a macerator already installed by the previous owner, and I wouldn't want to be without it. Much easier to simply attach a hose and pump out the tank rather than relying on gravity and messing with a big, bulky hose.

George Rudawsky
Chicago, IL
75 Palm Beach
Re: To macerate or not? [message #227476 is a reply to message #227472] Mon, 28 October 2013 20:53 Go to previous messageGo to next message
jknezek is currently offline  jknezek   United States
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Registered: December 2007
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Senior Member
Best upgrade I've put on the motorhome. Takes one of the worst chores of leaving a campsite and turns it into a minor event. For convenience, this is a wonderful upgrade.

Thanks,
Jeremy Knezek
1976 Glenbrook
Birmingham, AL
Re: [GMCnet] To macerate or not? [message #227477 is a reply to message #227472] Mon, 28 October 2013 20:54 Go to previous messageGo to next message
USAussie is currently offline  USAussie   United States
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Registered: July 2007
Location: Sydney, Australia
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Senior Member
Chris,

There are no cons! Well at least in my book!

You need to find a GMC owner that has a macerator and see how easy it is to empty the holding tanks. Once you see how simple and
quick it is I'll bet dollars to donuts that installing one will go from "bells and whistles" to high on the TTD list!

Any relation to Gordon? ;-)

Regards,
Rob M.
The Pedantic Mechanic
USAussie - Downunder
USA '75 Avion - Double Trouble TZE365V100426
AUS '75 Avion - The Blue Streak TZE365V100428


-----Original Message-----
From: Chris lightfoot

Hey everyone.

I want to know the real pros and cons of why adding a macerator unit to the coach is advisable or not. It seems like its just a
bells and whistle item. What are your thoughts?

I'm trying to go through the old messages, but I did not find this discussion in my search. FYI... I am about to redo the whole
plumbing system on the palm beach.

Thanks
--
Chris

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426
Re: [GMCnet] To macerate or not? [message #227480 is a reply to message #227472] Mon, 28 October 2013 21:09 Go to previous messageGo to next message
jhbridges is currently offline  jhbridges   United States
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Registered: May 2011
Location: Braselton ga
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The fastidious like them.  I don't mind dumping the tank and then wasing the slinky hose with my wand.  However, as I've said, I pick upbehind very large dogs.  There's not anything in that tank that's going to be a bother.  Simply wash your hands when you're done.  Matterofact, I have a 'clip on' macerator that fits the drain pipe end in place of the cap.  Not worth the trouble of clipping it on.  A permanent install is, to me, one more thing to bust.
 
--johnny
'76 23' transmode norris

From: Chris lightfoot <Clightfoot09@gmail.com>
To: gmclist@temp.gmcnet.org
Sent: Monday, October 28, 2013 9:39 PM
Subject: [GMCnet] To macerate or not?




Hey everyone.

    I want to know the real pros and cons of why adding a macerator unit to the coach is advisable or not. It seems like its just a bells and whistle item. What are your thoughts?

    I'm trying to go through the old messages, but I did not find this discussion in my search. FYI... I am about to redo the whole plumbing system on the palm beach.

Thanks
--
Chris Lightfoot
New GMC enthusiast working with a '73 palm beach.
Talladega AL
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons. Braselton, Ga. I forgive them all, save those who hurt the dogs. They must answer to me in hell
Re: [GMCnet] To macerate or not? [message #227482 is a reply to message #227472] Mon, 28 October 2013 21:09 Go to previous messageGo to next message
Ken Henderson is currently offline  Ken Henderson   United States
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Registered: March 2004
Location: Americus, GA
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Senior Member
Macerator = Absolutely mandatory upgrade

Being mechanical/electrical, they CAN quit, so be sure to include the
capability of bypassing the macerator with a 3" gravity dump (with the
macerator isolated from the holding tank). But that rare (I've never had
to use the bypass) hazard is trivial compared to the convenience of dumping
at 'most any distance with a small diameter hose which requires no manual
cleaning and is easy to store.

JMHO, after 30 years without out one and 15 years with.

Ken H.
Americus, GA
'76 X-Birchaven w/Cad500/Howell EFI & EBL
www.gmcwipersetc.com


On Mon, Oct 28, 2013 at 9:39 PM, Chris lightfoot <Clightfoot09@gmail.com>wrote:

>
>
> Hey everyone.
>
> I want to know the real pros and cons of why adding a macerator unit
> to the coach is advisable or not. It seems like its just a bells and
> whistle item. What are your thoughts?
>
> I'm trying to go through the old messages, but I did not find this
> discussion in my search. FYI... I am about to redo the whole plumbing
> system on the palm beach.
>
> Thanks
> --
>
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Unsubscribe or Change List Options:
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
Re: [GMCnet] To macerate or not? [message #227492 is a reply to message #227472] Mon, 28 October 2013 21:41 Go to previous messageGo to next message
dngmissett is currently offline  dngmissett   United States
Messages: 84
Registered: February 2004
Karma: 0
Member
Since I still worked for a living at the time mine sat on the shelf for two yrs before I got around to the install (It was a gift from Santa) and when I finally did get around to the install it did not take me long to realize that it was "hands down" the best mod I had done to the coach. (JMO.)  I  also carried an additional 11'  piece of 1" dump hose inside of a 10'  piece of  grey electrical pvc  conduit that was  laced inside the frame rails  and  only used it once or twice since the permanently installed 8' piece that went across the rear bumper was adequate most of the time. Do it, Do it, Do it. You will not be sorry. (JMO again)
 
Dick Missett
Wyoming, PA

From: Chris lightfoot <Clightfoot09@gmail.com>
To: gmclist@temp.gmcnet.org
Sent: Monday, October 28, 2013 9:39 PM
Subject: [GMCnet] To macerate or not?




Hey everyone.

    I want to know the real pros and cons of why adding a macerator unit to the coach is advisable or not. It seems like its just a bells and whistle item. What are your thoughts?

    I'm trying to go through the old messages, but I did not find this discussion in my search. FYI... I am about to redo the whole plumbing system on the palm beach.

Thanks
--
Chris Lightfoot
New GMC enthusiast working with a '73 palm beach.
Talladega AL
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Re: To macerate or not? [message #227507 is a reply to message #227472] Mon, 28 October 2013 23:00 Go to previous messageGo to next message
Chr$ is currently offline  Chr$   Taiwan
Messages: 2690
Registered: January 2004
Location: Scottsdale, AZ
Karma: 1
Senior Member
I put one on my coach. I do not have one on my Trailer. I have found it faster and easier to completely dump and rinse the tank(s) with the slinky, and it is not a big deal to clean and store the hose. I also have an outdoor shower near my dump on my trailer and I put a garden hose sprayer on it. I use disposable gloves with either method, and wash my hands. The slinky is easier to store than 50' of garden hose. I just cannot dump the TT at the house, but then I usually like to dump at the campground before hauling 350+ pounds of crap home. I do have a 6' section of garden hose on my coach that reaches the dump hole at the dump station, but it takes much longer to drain, and you never seem to get it all out. If I ever get one again, it will be the snap on type.

My two cents.


-Chr$: Perpetual SmartAss
Scottsdale, AZ

77 Ex-Kingsley 455 SOLD!
2010 Nomad 24 Ft TT 390W PV W/MPPT, EV4010 and custom cargo door.
Photosite: Chrisc GMC:"It has Begun" TT: "The Other Woman"
Re: [GMCnet] To macerate or not? [message #227512 is a reply to message #227472] Mon, 28 October 2013 23:15 Go to previous messageGo to next message
Mr ERFisher is currently offline  Mr ERFisher   United States
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Registered: August 2005
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Senior Member
the first time will convince you when:
- come to a dump that is 18 in. higher than your dump
- have to dump into a toilet 20 feet away
- compare 3 min to dump with no hose to flush
- do not have to get on your back to dump
- do not have to be close to the dump
- slide the garden hose into the frame (no disconnect)
- http://www.gmcmhphotos.com/photos/g3060-macerator-hose-storage.html
- no adapters for various dump stations
- why they use macerators on all-- boats

I only dumped my GMC one time -- then added the macerator

JWID
GENE


On Mon, Oct 28, 2013 at 6:39 PM, Chris lightfoot <Clightfoot09@gmail.com>wrote:

>
>
> Hey everyone.
>
> I want to know the real pros and cons of why adding a macerator unit
> to the coach is advisable or not. It seems like its just a bells and
> whistle item. What are your thoughts?
>
> I'm trying to go through the old messages, but I did not find this
> discussion in my search. FYI... I am about to redo the whole plumbing
> system on the palm beach.
>
> Thanks
> --
> Chris Lightfoot
> New GMC enthusiast working with a '73 palm beach.
> Talladega AL
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>



--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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Re: To macerate or not? [message #227517 is a reply to message #227472] Tue, 29 October 2013 00:23 Go to previous messageGo to next message
habbyguy is currently offline  habbyguy   United States
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Registered: May 2012
Location: Mesa, AZ
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Senior Member
I'll pile on with those who consider the macerator the best money they ever spent on their coach. Errrr, or the best money my beloved PO ever spent on my coach, rather. It makes the least pleasant aspect of RVing a virtual non-issue. Even better, with my Roayale's separate black and gray water tanks, I essentially rinse out the macerator hose with the gray water when I'm done emptying the black water tank.

I never, ever, ever knew anyone who had one and wished they didn't.

Do it. You won't be sorry.


Mark Hickey Mesa, AZ 1978 Royale Center Kitchen
Re: To macerate or not? [message #227520 is a reply to message #227517] Tue, 29 October 2013 00:48 Go to previous messageGo to next message
jim kanomata is currently offline  jim kanomata   United States
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Registered: March 2007
Location: fremont,ca
Karma: 12
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Since most of you have only one tank, it is lot easier to use the pump.
Like Ken Henderson mentioned, you need to have a back up in case the pump jams up or brakes down,
When we came out with our system we looked at several concepts and decided on one that can retain the regular and still pump.
Beings that the coach is so low to the ground, the pump comes in handy.
We sell several every month and find that they like the kit.


Jim Kanomata Applied/GMC, Fremont,CA jimk@appliedairfilters.com http://www.appliedgmc.com 1-800-752-7502
Re: [GMCnet] To macerate or not? [message #227522 is a reply to message #227520] Tue, 29 October 2013 01:08 Go to previous messageGo to next message
mickeysss is currently offline  mickeysss   United States
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Registered: January 2012
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Senior Member
One of the persons at Pacific cruisers stated he had his pump on the end of the 3 inch or black pipe at the rear bumper and put the
pump on the end only and it could come off and on. this way if it stops working or gets stuff in it you do not have to go under the
middle of the gmc to get to it, it is at the end by the rear bumper. This is a reasonable idea. if the pump breaks or clogs, it is right there. Mickey anaheim ca. 77 palm beach,


On Oct 28, 2013, at 10:48 PM, jim kanomata wrote:

>
>
> Since most of you have only one tank, it is lot easier to use the pump.
> Like Ken Henderson mentioned, you need to have a back up in case the pump jams up or brakes down,
> When we came out with our system we looked at several concepts and decided on one that can retain the regular and still pump.
> Beings that the coach is so low to the ground, the pump comes in handy.
> We sell several every month and find that they like the kit.
> --
> Applied/GMC, Fremont, CA
> 1-800-752-7502
> jimk@appliedgmc.com
> www.appliedgmc.com
> _______________________________________________
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> Unsubscribe or Change List Options:
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Re: To macerate or not? [message #227549 is a reply to message #227472] Tue, 29 October 2013 08:53 Go to previous messageGo to next message
lqqkatjon is currently offline  lqqkatjon   United States
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Location: St. Cloud, MN
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Senior Member
I will add that I love the macerator.

I think it was mentioned once, but with the GMC, it is so low to the ground, making the right angle for the slinky can be a bit tricky.

second, I was able to run some 1" pvc pipe that goes from outside of my house, to the sewer cleanout in my basement. so I can now empty my tanks when I get home. That is nice, since i do dry camp some places where a sewer dump is not available. and the closest one to me, charges $10.



Jon Roche 75 palm beach EBL EFI, manny headers, Micro Level, rebuilt most of coach now. St. Cloud, MN http://lqqkatjon.blogspot.com/
Re: To macerate or not? [message #227553 is a reply to message #227472] Tue, 29 October 2013 09:04 Go to previous messageGo to next message
larry.whisler is currently offline  larry.whisler   United States
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Probably ranks as the single best improvement to the RV.

Using the 3 inch hose a few times will convince you.

One drawback to the macerator, you have to winterize it.

larry
Re: [GMCnet] To macerate or not? [message #227557 is a reply to message #227522] Tue, 29 October 2013 09:44 Go to previous messageGo to next message
jim kanomata is currently offline  jim kanomata   United States
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Registered: March 2007
Location: fremont,ca
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Senior Member
Unless one puts a valve in place, once you find that the pump is not going to function, you'll have a mess.
Our design avoids all that and also our pump will pick up the lower portion of the fluid as the level lowers.
Portable pumps are not too easy to deal with the electrical ans storage.


Jim Kanomata Applied/GMC, Fremont,CA jimk@appliedairfilters.com http://www.appliedgmc.com 1-800-752-7502
Re: [GMCnet] To macerate or not? [message #227565 is a reply to message #227512] Tue, 29 October 2013 10:31 Go to previous messageGo to next message
Matt Colie is currently offline  Matt Colie   United States
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Mr ERFisher wrote on Tue, 29 October 2013 00:15

the first time will convince you when:
- come to a dump that is 18 in. higher than your dump
- have to dump into a toilet 20 feet away
- compare 3 min to dump with no hose to flush
- do not have to get on your back to dump
- do not have to be close to the dump
- slide the garden hose into the frame (no disconnect)
- http://www.gmcmhphotos.com/photos/g3060-macerator-hose-storage.html
- no adapters for various dump stations
- why they use macerators on all-- boats

I only dumped my GMC one time -- then added the macerator

JWID
GENE
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and

While will not argue all the points here, I will tell you that in the last few years I have been paid to REMOVE the maserator from many owners boats. Often those installed were damaged as they were less than completely winterized. Then they leak....
- They are illegal in Canadian waters.
- They are of no use in US waters unless you choose to violate the discharge laws of every state on the lakes.
- Every marina any size at all has a pump-out facility and few have any way to accept an open dump (that would be required with a mascerator).

We do not have one installed. (I actually have two new/used ones in the barn).
We do have our own grade level dump at my home.
It takes thinking and practice but, I can dump without getting fouled at all. (I usually wash hands afterwards, but I wash hands a lot anyway.)
We plan trips with known dumps. The only dump that causes me grief due to elevation is one near home that I don't use anymore. That was once in seven years as a GMC owner.
If I end up in line at the dump behind a maserator coach, I go inside and find a book to read.
If you put in a maserator, read what everyone has said about making accommodations to both have gravity dump available and be able to remove said from a full tank. This WILL be required at some point.
Other than the right angle adapter that we carry anyway, I have never needed anything other than the slinky to get to the dump.

Yes, there are two camps here, but if you are as normal as a GMC owner can be.... You probably want a maserator. Just be certain that you either carry a spare or at least a kit and that you can dump the black tank (at least) when the maserator is a confirmed kill.

Matt


Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
Re: [GMCnet] To macerate or not? [message #227570 is a reply to message #227565] Tue, 29 October 2013 10:49 Go to previous messageGo to next message
habbyguy is currently offline  habbyguy   United States
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Matt Colie wrote on Tue, 29 October 2013 08:31


If I end up in line at the dump behind a maserator coach, I go inside and find a book to read.

Even with both tanks as full as they ever get, pumping them out through my macerator takes only 2-3 minutes. You must have some pretty small books in your library! Wink


Mark Hickey Mesa, AZ 1978 Royale Center Kitchen
Re: [GMCnet] To macerate or not? [message #227572 is a reply to message #227565] Tue, 29 October 2013 10:49 Go to previous messageGo to next message
Emery Stora is currently offline  Emery Stora   United States
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On Oct 29, 2013, at 9:31 AM, Matt Colie <matt7323tze@gmail.com> wrote:
> If I end up in line at the dump behind a maserator coach, I go inside and find a book to read.
>
Matt
I really don't understand that statement.
I pull up to the dump site, pull my 3/4" garden hose from the 1-1/4" PVC pipe mounted along my frame , unscrew the cap from the end, put the hose into the drain pipe and turn on the macerator. About three minutes later I turn off the macerator, cap the end of the hose and slide the hose back into the PVC pipe.
Total time is about 4 minutes.

All of this takes less time than most people use to clean and put away their 3" hose.

Emery Stora
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Re: To macerate or not? [message #227606 is a reply to message #227472] Tue, 29 October 2013 14:10 Go to previous messageGo to previous message
Lightfoot is currently offline  Lightfoot   United States
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Registered: October 2013
Location: Southeast USA
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Junior Member
Cool.

I love all the responses. Thanks for all the different points of view. I hope to try one out at the next rally I go to and see first hand. I'm 24 so I don't mind the stinky slinky but cleaner is better so I'm interested. Thanks again.


Chris Lightfoot Working with a '73 palm beach. Mary Esther FL
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