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[GMCnet] Dump Valve and Gauge ?? [message #96028]

Mon, 16 August 2010 11:05

Arthur Mansfield

Messages: 290
Registered: April 2010

Karma: 0

Senior Member

I just pulled the dump valve. It is a Valterra 1003 valve. I may be wrong but this design looks like it will always leak fluid. There is no seal on top and bottom of the valve that came out of mine. Mine leaked fluid and I made a mess more than once. It looks like I cannot put another kind of valve in since the male part of the valterra valve looks to be glued into the tank. I will be dropping the black tank tomorrow to check and see why there is the tape on the back top of the tank.

I have always been hooked up so I have not have any tank leaks but I would like to be able to dry came without any problems so I would like to know if my tank has a problem. I always flush the tank when I get home until basically clear water comes out. I use a wand in through the toilet to make sure I loosen up what is in the tank.

My gauge for the tank black tank and the water tank dose not work. What gauges have been used in the tanks.

Thanks

Art & Doris
76 EL
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Re: [GMCnet] Dump Valve and Gauge ?? [message #96032 is a reply to message #96028]

Mon, 16 August 2010 11:12

emerystora

Messages: 4442
Registered: January 2004

Karma: 13

Senior Member

On Aug 16, 2010, at 11:03 AM, Arthur Mansfield wrote:

> I just pulled the dump valve. It is a Valterra 1003 valve. I may be wrong but this design looks like it will always leak fluid. There is no seal on top and bottom of the valve that came out of mine. Mine leaked fluid and I made a mess more than once. It looks like I cannot put another kind of valve in since the male part of the valterra valve looks to be glued into the tank. I will be dropping the black tank tomorrow to check and see why there is the tape on the back top of the tank.

The Valtera valves come with seals inside. It may be that yours has just worn out and went through your dump hose. I would suggest that you replace it with a new Valtera.
>
> I have always been hooked up so I have not have any tank leaks but I would like to be able to dry came without any problems so I would like to know if my tank has a problem. I always flush the tank when I get home until basically clear water comes out. I use a wand in through the toilet to make sure I loosen up what is in the tank.
>
> My gauge for the tank black tank and the water tank dose not work. What gauges have been used in the tanks.

There is a magnetically coupled gauge that will not corrode. It fits right into the standard mounting flange. They also work with your original inside gauge.
Jim Kanomata at Applied GMC has them. http://www.appliedgmc.com/level.itml/icOid/479

At $120 each they are not cheap but they should last forever. He has a discount on shipping right now.

Emery Stora
77 Kingsley
Santa Fe, NM

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Re: [GMCnet] Dump Valve and Gauge ?? [message #96040 is a reply to message #96028]

Mon, 16 August 2010 11:27

Ray Erspamer

Messages: 1707
Registered: May 2007
Location: Milwaukee Wisconsin

Karma: -3

Senior Member

There should be a seal on each side. I've had Valterra valves on previous travel trailers and now on the GMC, they don't leak at all.
Sent from my Verizon Wireless BlackBerry

-----Original Message-----
From: Arthur Mansfield <1104agm@gmail.com>
Sender: gmclist-bounces@temp.gmcnet.org
Date: Mon, 16 Aug 2010 11:03:26
To: <gmclist@temp.gmcnet.org>
Reply-To: gmclist@temp.gmcnet.org
Subject: [GMCnet] Dump Valve and Gauge ??

I just pulled the dump valve. It is a Valterra 1003 valve. I may be wrong but this design looks like it will always leak fluid. There is no seal on top and bottom of the valve that came out of mine. Mine leaked fluid and I made a mess more than once. It looks like I cannot put another kind of valve in since the male part of the valterra valve looks to be glued into the tank. I will be dropping the black tank tomorrow to check and see why there is the tape on the back top of the tank.

I have always been hooked up so I have not have any tank leaks but I would like to be able to dry came without any problems so I would like to know if my tank has a problem. I always flush the tank when I get home until basically clear water comes out. I use a wand in through the toilet to make sure I loosen up what is in the tank.

My gauge for the tank black tank and the water tank dose not work. What gauges have been used in the tanks.

Thanks

Art & Doris
76 EL
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Ray Erspamer 78 GMC Royale Center Kitchen 403, 3.70 Final Drive Holley Sniper Quadrajet EFI System, Holley Hyperspark Ignition System 414-484-9431

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Re: [GMCnet] Dump Valve and Gauge ?? [message #96069 is a reply to message #96028]

Mon, 16 August 2010 13:18

mike miller

Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon

Karma: 0

Senior Member

Arthur Mansfield wrote on Mon, 16 August 2010 09:05

It is a Valterra 1003 valve. I may be wrong but this design looks like it will always leak fluid. There is no seal on top and bottom of the valve that came out of mine. ...

I have two Valterra 2 inch valves waiting for a macetor install on the Birch. (They are the same design as the 3 inch.) The seals are o-ring like that provide the seal for both the connection between the valve body/fitting AND the valve body/valve plate.

I could take a picture if you need it.

Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo' http://m000035.blogspot.com

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Re: [GMCnet] Dump Valve and Gauge ?? [message #96089 is a reply to message #96028]

Mon, 16 August 2010 14:40

Duce Apocalypse

Messages: 824
Registered: May 2009
Location: Los angeles

Karma: 0

Senior Member

Just wondering, does anyone make an electrically actuated dump valve?

73 Canyon Lands, (a.k.a. The Yellow Submarine) West Los Angeles CA

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Re: [GMCnet] Dump Valve and Gauge ?? [message #96093 is a reply to message #96089]

Mon, 16 August 2010 14:46

emerystora

Messages: 4442
Registered: January 2004

Karma: 13

Senior Member

On Aug 16, 2010, at 1:40 PM, Shan Rose wrote:

>
>
> Just wondering, does anyone make an electrically actuated dump valve?

Yes, Drain Master. I installed one several years ago. It worked well for a couple of years but then it kept clogging and I had to crawl under the GMC to turn the screwdriver slot to open the gate. Then it stopped working altogether. Don't think that I would bother again.

Emery Stora
77 Kingsley
Santa Fe, NM

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Re: [GMCnet] Dump Valve and Gauge ?? [message #96094 is a reply to message #96089]

Mon, 16 August 2010 14:44

Dennis S

Messages: 3046
Registered: November 2005

Karma: 2

Senior Member

Yes, Drain Master...

Dennis

-----Original Message-----
From: Shan Rose <defconfx@gmail.com>
To: gmclist@temp.gmcnet.org
Sent: Mon, Aug 16, 2010 2:40 pm
Subject: Re: [GMCnet] Dump Valve and Gauge ??

Just wondering, does anyone make an electrically actuated dump valve?
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Dennis S
73 Painted Desert 230
Memphis TN Metro

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Re: [GMCnet] Dump Valve and Gauge ?? [message #96112 is a reply to message #96089]

Mon, 16 August 2010 16:26

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

did you look here?
http://gmcmotorhome.info/blacktnk.html#electric

gene

On Mon, Aug 16, 2010 at 12:40 PM, Shan Rose <defconfx@gmail.com> wrote:

>
>
> Just wondering, does anyone make an electrically actuated dump valve?
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
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>

--
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: [GMCnet] Dump Valve and Gauge ?? [message #96118 is a reply to message #96089]

Mon, 16 August 2010 17:08

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

G'day,

Here's a link to the Valterra Catalog.

http://www.valterra.com/RV/rv-main.htm

They sell an electric valve too - $221.00 - think I'll stick with the $14.66
manual one! ;-)

I have two 1003 valves on Double Trouble, one goes to the 3" dump the second
goes to the macerator.

They are actuated by 1/4" pull rods under the rear bumper:

http://www.gmcmhphotos.com/photos/showphoto.php?photo=28382

I pulled the shaft out of the slider in the Valterra 1003 last year so this
year I put 1/4" drill stops on the rods which prevent that happening again.

Regards,
Rob M.
USAussie

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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

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Re: [GMCnet] Dump Valve and Gauge ?? [message #96151 is a reply to message #96118]

Mon, 16 August 2010 21:17

powerjon

Messages: 2446
Registered: January 2004

Karma: 5

Senior Member

Rob,

The valve can be bought for a much less expensive price although it
still is a lot.

http://rvpartsoutlet.com/product_info.php?cPath=845_174&products_id=8543

Like you I still prefer an manual system.

JR Wright

> G'day,
>
> Here's a link to the Valterra Catalog.
>
> http://www.valterra.com/RV/rv-main.htm
>
> They sell an electric valve too - $221.00 - think I'll stick with
> the $14.66
> manual one! ;-)
>
> I have two 1003 valves on Double Trouble, one goes to the 3" dump
> the second
> goes to the macerator.
>
> They are actuated by 1/4" pull rods under the rear bumper:
>
> http://www.gmcmhphotos.com/photos/showphoto.php?photo=28382
>
> I pulled the shaft out of the slider in the Valterra 1003 last year
> so this
> year I put 1/4" drill stops on the rods which prevent that happening
> again.
>
> Regards,
> Rob M.
> USAussie
>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist

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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan

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Re: [GMCnet] Dump Valve and Gauge ?? [message #96155 is a reply to message #96151]

Mon, 16 August 2010 21:43

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

JR,

Gee ONLY $159 what a bargain! ;-)

Frankly I really don't see the point of complicating the system.

You've got to put the dump or macerator line into a dump point and so you're
outside what's the difference in throwing a switch or pulling a "T" handle?

Regards,
Rob (who tries to live by the KISS principle) M.
USAussie

-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of John Wright
Sent: Monday, August 16, 2010 10:17 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Dump Valve and Gauge ??

Rob,

The valve can be bought for a much less expensive price although it
still is a lot.

http://rvpartsoutlet.com/product_info.php?cPath=845_174&products_id=8543

Like you I still prefer an manual system.

JR Wright

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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

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