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Author Topic: faulty anti siphon devices, (also called vacuum breaker)  (Read 1118 times)

Tin man

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faulty anti siphon devices, (also called vacuum breaker)
« on: April 05, 2017, 03:00:16 PM »
Has anyone repaired a faulty anti siphon devices, (also called vacuum breaker) that are installed in the tank flush line? It is in the wall behind the toilet.  We are discussing a 2007 Journey SE 37'.  There is no access panel. Looks like I will have to make one. (Unless I'm missing something).  The leak is coming from behind the toilet (in the wall) I hooked up the hose to the flush line (black tank) water was pouring down from the chassis, and the bathroom floor soaked. 

Hoping for ideas, or suggestions. 

Jim
Jim W
AKA TIN MAN
2007 36G Journey SE
2010 Escape Hybrid Blue Ox Air Force 1 Brake

John Canfield

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #1 on: April 05, 2017, 04:46:53 PM »
Mine is located under the galley sink. The check valve plugged up and we had a leak, bought a replacement on Amazon. I hate working on plumbing and really hate working on RV plumbing.  Call Winnebago Owner Relations before you cut any access panels.
--John
2005 Horizon 40AD, 2006 Jeep Rubicon Unlimited
Our Horizon projects
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Gary RV_Wizard

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #2 on: April 05, 2017, 04:49:16 PM »
You don't have to make the anti-siphon, but you may have to make access to it.

How about a call to Winnebago Customer Service to ask about getting at it. Sometimes they can be quite helpful (but not always).

If you have to cut the interior panel, finish the edges nicely with wood trim (or whatever you like) and make it a decor feature.  ;)   Seriously. High end coaches have nicely disguised removable panels for that sort of thing, e.g. a wall cabinet that can be removed, an inset door, that sort of thing. 
« Last Edit: April 05, 2017, 04:50:51 PM by Gary RVer Emeritus »
Gary
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Gary Brinck
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Mile High

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #3 on: April 05, 2017, 05:24:09 PM »
It would be odd not to have access to that valve.  It's not always obvious, but should be there.  Those actually fail quite a bit.
Brad and Dory
2013 Winnebago Itasca Meridian 42E (new to us 2016)
2013 Jeep Wrangler Unlimited Sahara
FMCA 457993 / WIT W170238

muskoka guy

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #4 on: April 05, 2017, 08:19:20 PM »
There are lots of threads on the forums of the valve being up inside an interior wall with no easy access to it. Some people just bypass them and add an anti siphon valve on the water inlet.

Mile High

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #5 on: April 06, 2017, 11:34:16 AM »
There are lots of threads on the forums of the valve being up inside an interior wall with no easy access to it. Some people just bypass them and add an anti siphon valve on the water inlet.
OK - sorry for them.   
Brad and Dory
2013 Winnebago Itasca Meridian 42E (new to us 2016)
2013 Jeep Wrangler Unlimited Sahara
FMCA 457993 / WIT W170238

Tin man

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #6 on: April 07, 2017, 06:58:43 PM »
Called out to Forest City, they will fix it, panel has to be removed. Will stop in end of July. Inquired about replacing decals, cheaper to paint.  Will probably have that done also.

Thanks for the advice.

Jim
Jim W
AKA TIN MAN
2007 36G Journey SE
2010 Escape Hybrid Blue Ox Air Force 1 Brake

John Canfield

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #7 on: April 08, 2017, 08:35:11 AM »
.... Will stop in end of July. ..
They are going to be super busy then with GNR holdovers, you would be better off waiting three or four weeks. Call CDI in Forest City and ask Dave for a quote on paint (they do all full-body paint for Winnebago.)
--John
2005 Horizon 40AD, 2006 Jeep Rubicon Unlimited
Our Horizon projects
Our weather

Tin man

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #8 on: April 08, 2017, 02:02:17 PM »
John

We planed the last week of July, and will call ahead. 

Thanks

Jim
Jim W
AKA TIN MAN
2007 36G Journey SE
2010 Escape Hybrid Blue Ox Air Force 1 Brake

John Canfield

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #9 on: April 08, 2017, 03:31:42 PM »
 They don't take service appointments two or three weeks before the GNR and maybe afterwards. I'll also bet they are booked up well into September for service appointments. You can of course just show up and put your name on a list but not more than seven items to be fixed.
--John
2005 Horizon 40AD, 2006 Jeep Rubicon Unlimited
Our Horizon projects
Our weather

Tin man

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #10 on: July 06, 2018, 09:57:39 AM »
John

Update on the leak..I was able to remove the panel next to dinet,  the siphon device was right there. Amazon delivered the new part overnight, and leak fixed. Back in business can clean out the black water tank again.

Remove the molding and you will be able to get to the luan panel. Be careful removing so as not to damage the wall panel.  I bent the staples over and tacked new nails to replace the panel.

Jim

Repaired it this winter in Florida

Jim W
AKA TIN MAN
2007 36G Journey SE
2010 Escape Hybrid Blue Ox Air Force 1 Brake

Rene T

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #11 on: July 06, 2018, 10:16:50 AM »
John

Update on the leak..I was able to remove the panel next to dinet,  the siphon device was right there. Amazon delivered the new part overnight, and leak fixed. Back in business can clean out the black water tank again.

Remove the molding and you will be able to get to the luan panel. Be careful removing so as not to damage the wall panel.  I bent the staples over and tacked new nails to replace the panel.

Jim

Repaired it this winter in Florida

Was the back flow preventer black and is a 90 degree fitting. I don't remember the manufacturers name but it's on the side. If it's the one I had, get their number off the internet and call them. Tell them the stem was leaking. They'll replace it free of charge. They did it twice with me so far. They are junk. 

Update: is this the one?  https://www.amazon.com/JR-Products-571-Vac-Chk-Flusher-Breaker/dp/B0095TD5S6/ref=sr_1_7?ie=UTF8&qid=1530890249&sr=8-7&keywords=rv+backflow+preventer
« Last Edit: July 06, 2018, 10:18:22 AM by Rene T »
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Tin man

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Re: faulty anti siphon devices, (also called vacuum breaker)
« Reply #12 on: July 09, 2018, 02:01:09 PM »
It was brass, new one was less than $10.00. Kept it will have to look when we get back. On our way to Alaska plane bus boat.  Too tired to drive.

Jim
Jim W
AKA TIN MAN
2007 36G Journey SE
2010 Escape Hybrid Blue Ox Air Force 1 Brake