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09-01-2004, 08:02 AM
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#1
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Seasoned Camper
Join Date: Jan 2003
Location: Cinnaminson
Posts: 99
M.O.C. #89
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Pressure valve under sink?
While in a Daytona Beach campground, I found out that my Montana has a pressure valve under the bathroom sink. The water pressure WAS EXTREMELY LOW and when I hooked it up, I developed a LEAK under the sink. I temporarily "fixed it with a by-pass." In the next campground, I re-attached the original valve. It worked fine! That was the first time that I ever had a leak due to "low" water pressure. I just wanted to share that with the group. If it happens again, I will activate my DC pump and draw from my water tank. I hope this can save others from any headaches.
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09-01-2004, 08:58 AM
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#2
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Montana Master
Join Date: Nov 2003
Location: St. Paul
Posts: 812
M.O.C. #621
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Thanks for the info, I didn't know that but if it happens to us I will have an idea on how to tell my husband to fix it.
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09-01-2004, 05:03 PM
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#3
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Montana Master
Join Date: Nov 2003
Location: Santa Fe Springs
Posts: 4,189
M.O.C. #639
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Art was that the anti-syfin valve under the sink? I found that if pressure is low like you said it does not opperate properly and comes out the top of the valve, when the pressur is that low I take the regulator off the hose bib and go full pressure. also I think that valve is for the dark tank flush system I followed mine one day and that is what mine is for.
TT2
__________________
Pulling a 2004, 2980 RL an oldie but goodie.
Tow vehicle is a 2009 RED RAM 3500 DRW.
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09-02-2004, 12:44 AM
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#4
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Montana Master
Join Date: Feb 2003
Location: Belvidere
Posts: 1,834
M.O.C. #185
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This happened to me last month and I couldn't figure why after 2 years the valve started to leak. I took the valve off and applied
Teflon tape to the connection threads and the leak stopped. It doesn't sound like low pressure would cause this to leak????
Steve
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09-02-2004, 01:39 AM
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#5
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Seasoned Camper
Join Date: Jan 2003
Location: Cinnaminson
Posts: 99
M.O.C. #89
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TrailerTrash 2,
That sounds identical to what happened as well. The valve only closes due to water pressure. The leak was from the top of my valve also. Thanks for the response.
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09-02-2004, 01:43 AM
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#6
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Montana Master
Join Date: Nov 2003
Location: Monominto
Posts: 731
M.O.C. #657
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Folks.. the so called "anti siphon valve" under the sink in the 3670RL is a vacum breaker for the sewage flush system....
You will notice the water line comes up through the floor into the bottom of the valve, out the side and back down into the floor. Two different lines come up into the sink faucets.
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09-02-2004, 05:53 PM
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#7
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Montana Master
Join Date: Nov 2003
Location: Santa Fe Springs
Posts: 4,189
M.O.C. #639
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I KNOW THAT!! but I wasn't sure Art did, Gruffy, I did like that article on the regulators at the plumbing shop I have one on order and will make me one.
TT2
__________________
Pulling a 2004, 2980 RL an oldie but goodie.
Tow vehicle is a 2009 RED RAM 3500 DRW.
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09-05-2004, 08:47 AM
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#8
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Montana Fan
Join Date: Feb 2003
Location: Bend
Posts: 254
M.O.C. #162
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That *%#*)& valve leaks at all times. We have an adjustable pressure valve on our hose and I keep it at 55 lbs. when it is available and it always leaks. Had it replace once but new valve leaks also. What would happen if I just by passed it and drained the line at the back flow valve in the hose connection? Treecounter
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09-05-2004, 04:09 PM
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#9
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Montana Master
Join Date: Sep 2003
Location: Forestville
Posts: 6,025
M.O.C. #496
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I took that anti-siphon valve out entirely as it would not allow my black tank flush to work. I pulled the lines down to the basement and connected them to a ball valve. Everything works fine now.
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09-06-2004, 06:27 AM
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#10
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Montana Master
Join Date: Nov 2003
Location: Santa Fe Springs
Posts: 4,189
M.O.C. #639
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Quote:
quote:Originally posted by DHenry
I took that anti-siphon valve out entirely as it would not allow my black tank flush to work. I pulled the lines down to the basement and connected them to a ball valve. Everything works fine now.
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I have a question in regards to what you have removed from the tank flush system,
Will it in any way affect the sanitation of my flushing system, and will there be a possability of dark water being pushed up through that fresh water conector and coming out the hose conector on the side of my trailer.
That is the only reason that I can see for the anti-syphon valve use in regards to sanitation.
TT2
__________________
Pulling a 2004, 2980 RL an oldie but goodie.
Tow vehicle is a 2009 RED RAM 3500 DRW.
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09-06-2004, 02:14 PM
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#11
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Montana Fan
Join Date: Feb 2003
Location:
Posts: 219
M.O.C. #137
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Low water preasure makes it leak, we just mop it up when it leaks.
I've had it off and even called the company that makes it but most of the time it still leaks, I would like to know what would happen if I just removed it but I assume it was put there for a reason, Keystone isn't known for wasteing money.
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09-06-2004, 02:57 PM
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#12
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Montana Master
Join Date: Mar 2003
Location: Flemington
Posts: 1,373
M.O.C. #242
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The ball valve will prevent any liquid from coming out the hose connection.
John
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09-06-2004, 03:04 PM
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#13
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Montana Fan
Join Date: Feb 2003
Location: Bend
Posts: 254
M.O.C. #162
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Thanks, I like the idea of a ball valve in the line. That #%*&@ valve comes out in the morning. Treecounter
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09-06-2004, 06:08 PM
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#14
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Montana Master
Join Date: Sep 2003
Location: Forestville
Posts: 6,025
M.O.C. #496
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Trailer Trash 2, the ball valve will only allow the black tank to flush when it is open. When closed it will not allow any black water to come to the hose connection. You must remember to close it after flushing the black tank. Always use a dedicated hose for the black tank flushing, never use you fresh water hose for that.
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09-07-2004, 02:23 AM
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#15
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Montana Master
Join Date: Mar 2003
Location: Flemington
Posts: 1,373
M.O.C. #242
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I have a short 10' hose that I use exclusively for flushing along with it's own set of color coded brass quick connects so they don't mix either.
I will look into the ball valve deal since I don't feel that the tank flusher does that great of a job. Maybe removing the restriction of the vaccum breaker will help with flow and pressure to sprayer.
John
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