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06-05-2021, 09:36 AM
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#1
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Junior Member
Join Date: Jan 2021
Location: Townsend, TN
Posts: 18
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Anderson Valve Issues
We have a 2020 Mobile Suites 36RKSB. Twice now, the fresh water tank has overfilled while the Anderson valve was supposedly in the "City Fixtures" position .
Water pump was not on. There should be no water going into the fresh water tank when in this position.
I did notice that both times, the valve was first in the "Dry Camping" position then rotated 90 degrees to the "City Fixtures" position. In both instances, the valve was very difficult to rotate (no-I did not use pliers).
Anyone ever had this happen to them? Any thoughts? What am I missing?
Thanks,
Bryon
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06-05-2021, 10:11 AM
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#2
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Senior Member
Join Date: Jun 2009
Posts: 457
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DRV has used 3 different versions of hte anderson panel that I know off.
Which one do you have - picture.
The newer versions have a check valve on the tank fill line.
The safest simplest fix is a 1/4 turn valve in the the fill line.
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Thanks,
Duane
2019 DRV MS 39DBRS3 ---> Flexible Flyer
2020 F-450
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06-05-2021, 11:37 AM
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#3
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Junior Member
Join Date: Jan 2021
Location: Townsend, TN
Posts: 18
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Porthole,
I believe it is the MANRV102
Picture attached.
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06-05-2021, 08:02 PM
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#4
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Senior Member
Join Date: Jun 2009
Posts: 457
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There have been 2 new versions since that one.
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Thanks,
Duane
2019 DRV MS 39DBRS3 ---> Flexible Flyer
2020 F-450
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06-07-2021, 08:58 PM
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#5
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Member
Join Date: May 2013
Location: Where ever we’re parked
Posts: 50
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I had same issue with mine and the valve was replaced twice. Then one of the techs told the process for switching to/city water and tank fill mode. Been using it for 2 years now without issue. There is an O ring that leaks if the valve is rotated under pressure. A few rotations of the valve will reseat it.
First turn the water supply off. Then open the hose in the wet bay to relieve the pressure on the supply side of the valve. Next at the bottom of the plumbing “manifold” open one of the low point drain valves (I usually use the cold water valve). This relieves pressure on the back side of the valve. Now you can rotate the valve handle. I seem to recall him saying that if you turned the valve to the left (city water to tank) then rotate in the same direction to return to the setting you want. It’s only 2 positions so what the heck.
I’ve never had a problem since using this procedure, and I’m constantly adding water to the fresh tank.
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2019 Mobile Suites 40KSSB4
2018 F-450 Ford King Ranch
Full time since 2008
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06-08-2021, 12:20 PM
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#6
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Senior Member
Join Date: Feb 2013
Location: on the road
Posts: 1,188
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YES, remove pressure first.
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2015 RAM LongHorn Dually Air ride Aisin 4:10's
2016 MS 39TKSB3 "Highly Elited"
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06-09-2021, 10:08 AM
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#7
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Member
Join Date: Jun 2018
Posts: 99
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Quote:
Originally Posted by Cummins12V98
YES, remove pressure first.
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ALWAYS before turning the valve.
Clay
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06-23-2021, 09:53 AM
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#8
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Member
Join Date: Feb 2018
Posts: 39
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Also note the requirement to relieve pressure prior to changing the setting is not unique to the Andersen valve.
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06-23-2021, 02:27 PM
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#9
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Senior Member
Join Date: Sep 2010
Location: Nebraska
Posts: 382
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I had a conversation with the head man at Anderson recently. No, I do not have a problem. He also advised it is best to always rotate in a clockwise direction. He said if you go one direction then the other it may push the o-ring out of position and cause the problem.
Bill
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06-23-2021, 03:05 PM
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#10
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Senior Member
Join Date: Feb 2013
Location: on the road
Posts: 1,188
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Quote:
Originally Posted by porkchop
I had a conversation with the head man at Anderson recently. No, I do not have a problem. He also advised it is best to always rotate in a clockwise direction. He said if you go one direction then the other it may push the o-ring out of position and cause the problem.
Bill
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Good info, thanks!!!
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2015 RAM LongHorn Dually Air ride Aisin 4:10's
2016 MS 39TKSB3 "Highly Elited"
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06-25-2021, 12:55 PM
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#11
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Senior Member
Join Date: Dec 2018
Location: Desert Hot Springs Ca.
Posts: 362
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Sure nice to have a older DRV without all those fancy things that can go wrong
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Mike & Trish Romans 10:9
2011 Mobile Suites 36RSSB3 #5556
2017 F-350 CC 6.7 diesel dually, Banks Derringer tuner with super gauge
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06-25-2021, 05:23 PM
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#12
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Senior Member
Join Date: Feb 2013
Location: on the road
Posts: 1,188
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Quote:
Originally Posted by MTK46
Sure nice to have a older DRV without all those fancy things that can go wrong
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No kidding! Wish I had the simple 4 point manual hydraulic rams like were on my 07.5 DRV.
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2015 RAM LongHorn Dually Air ride Aisin 4:10's
2016 MS 39TKSB3 "Highly Elited"
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06-26-2021, 06:48 AM
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#13
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Senior Member
Join Date: Jun 2009
Posts: 457
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Quote:
Originally Posted by Bjlakatos
Also note the requirement to relieve pressure prior to changing the setting is not unique to the Andersen valve.
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What water control valves require you to relieve pressure before operating?
If you get to talk to an Anderson engineer - try and get him to say the ABCO RV manifold assembly requires you to relieve pressure before operating the manifold.
Internet fluff from the early days when the Anderson BRASS Company made the manifold out of almost all plastic. The plastic used could not maintain tolerances and the cartridge assembly could not maintain the o-ring in the gland.
And those manifolds were so bad turning off supply and relieving pressure was not enough to keep the O-ring in place.
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