Macerator pumps

richard guthart

New member
Jul 14, 1998
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I'm planning to install a Macerator pump and wonder how others have arranged
the plumbing.

Should I retain the original dump valves and 4-inch drain pipe in case of
macerator pump failure, or are the pumps so reliable that redundancy is not
necessary?

I have a rear bath with separate toilet and gray water tanks.

Thanks,

Dick Guthart
'77 Transmode
 
I will be very interested in this thread because I, too, have purchased a
Jobsco Macerator and a new tank from Adamco. I havn't looked hard for the
plumbing bits, but my first attempt came up empty. I wasn't planning to use
a valve because I understand that the pump closes when not running. My plan
is to permanetly attach the pump to the tank and then use a length of 1 inch
hose from the pump to whatever. I plan also to put a 'screw on' type of
fitting at the end of the hose with a cap that can close up the system for
coiling and uncoiling.

Thom Hole '78 Transmode conversion

>I'm planning to install a Macerator pump and wonder how others have arranged
>the plumbing.
>
>Should I retain the original dump valves and 4-inch drain pipe in case of
>macerator pump failure, or are the pumps so reliable that redundancy is not
>necessary?
>
>I have a rear bath with separate toilet and gray water tanks.
>
>Thanks,
>
>Dick Guthart
>'77 Transmode
>
>
>

____/ / ____/ ____/ __ /
/ / / / / /
/ / ___ / / / /
/ / / / / /
____/ _/ ____/ ____/ _____/ Systems, INC.

Thom Hole
Cisco Systems Inc.
Federal Inside Sales Manager
ph: (919) 472-3975
fx: (408) 525-0232
800-888-8187 x23975
 
Just in case you havn't looked at my pics yet, you may want to, to get some
ideas to do it differently as I'm not completely happy with my setup. It's
functional and easy to use, but leaves a little too much in the tank.

The difficulty is to get a low point so as to empty the holding tank
completely. I'm currently on the trail of an adapter to accomodate that, but
still waiting for a call-back.

I got the macerator with th 3" adapter, i.e. it just slips into the pipe.
Perhaps that's were I made my mistake.

Heinz
http://www.bytedesigns.com/gmc

>
>
> I will be very interested in this thread because I, too, have
> purchased a
> Jobsco Macerator and a new tank from Adamco. I havn't looked
> hard for the
> plumbing bits, but my first attempt came up empty. I wasn't
> planning to use
> a valve because I understand that the pump closes when not
> running. My plan
> is to permanetly attach the pump to the tank and then use a
> length of 1 inch
> hose from the pump to whatever. I plan also to put a 'screw
> on' type of
> fitting at the end of the hose with a cap that can close up
> the system for
> coiling and uncoiling.
>
> Thom Hole '78 Transmode conversion
>

> >I'm planning to install a Macerator pump and wonder how
> others have arranged
> >the plumbing.
> >
> >Should I retain the original dump valves and 4-inch drain
> pipe in case of
> >macerator pump failure, or are the pumps so reliable that
> redundancy is not
> >necessary?
> >
> >I have a rear bath with separate toilet and gray water tanks.
> >
> >Thanks,
> >
> >Dick Guthart
> >'77 Transmode
> >
> >
> >
>
>
> ____/ / ____/ ____/ __ /
> / / / / / /
> / / ___ / / / /
> / / / / / /
> ____/ _/ ____/ ____/ _____/ Systems, INC.
>
>
>
> Thom Hole
> Cisco Systems Inc.
> Federal Inside Sales Manager
> ph: (919) 472-3975
> fx: (408) 525-0232
> 800-888-8187 x23975
>
 
Mr Eugene
I have been Keeping up with the Macerator pump messages.
If possible could you put me on your picture list?
I am interested in retaining the original dump valve for a back up.
Hermann

>
> -- [ From: Eugene Fisher * EMC.Ver #2.5.3 ] --
>
> I have sent an article to Patrick for the technical page that shows
> pictures of a version of the Macerator installation. I know Al
> Chernoff is writing an article that tells how to install that saves
the
> original dump system for cleanout and emergency dump and still allows
> the Macerator. Neat system If you would like my pictures I will
send
> them to you.
> gene
> -------- REPLY, Original message follows --------
>
> Date: Wednesday, 29-Jul-98 03:26 PM
>
> From: Richard Guthart \ Internet: (rguthart)
> To: gmclist \ Internet:
(gmcmotorhome
> .org)
>
> Attachment: mimemsg.doc Code: 00EQTR5 \ Created: Unknown [2 Kb]
>
> Subject: GMC: Macerator pumps
>
> I'm planning to install a Macerator pump and wonder how others have
> arranged the plumbing.
>
> Should I retain the original dump valves and 4-inch drain pipe in case
> of macerator pump failure, or are the pumps so reliable that
redundancy
> is not necessary?
>
> I have a rear bath with separate toilet and gray water tanks.
>
> Thanks,
>
> Dick Guthart
> '77 Transmode
>
>
>
> -------- REPLY, End of original message --------
>
>
>

_________________________________________________________
DO YOU YAHOO!?
Get your free @yahoo.com address at http://mail.yahoo.com
 
I installed a pump and put in a y valve to give me a chance to use the original
in case the macherator failed. I have some pictures that I sent to Gene Fisher
and he wrote an article for the gmcmotorhome tech page. Maybe you should look
at that. If you want to talk to me about what I did, please call 505-821-0693
or mr.c
Good luck... it is a great addition ot our coaches
Al Chernoff

> I'm planning to install a Macerator pump and wonder how others have arranged
> the plumbing.
>
> Should I retain the original dump valves and 4-inch drain pipe in case of
> macerator pump failure, or are the pumps so reliable that redundancy is not
> necessary?
>
> I have a rear bath with separate toilet and gray water tanks.
>
> Thanks,
>
> Dick Guthart
> '77 Transmode