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Old 02-20-2013, 03:24 PM   #1
Junior Member
Join Date: Feb 2013
Location: Virginia
Posts: 2
SUN #4837
lovebiking is an unknown quantity at this point
Need information on cutoff valves under the bathroom sink

My Sunline has two cut off valves under the bathroom sink. Does anyone have information or a diagram on the valves. One has three and one has four positions and I would like to know what combinations are needed to stop the water from pouring out under the camper.

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Old 02-20-2013, 04:00 PM   #2
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Join Date: Sep 2006
Location: Maryland
Posts: 1,130
SUN #64
MACK C-85 is an unknown quantity at this point
They are your low point drains, used to drain the water out of the fresh water system. I've never seen one with multiple positions though. Mine are on/off and I marked them with a Sharpie which way was open and which was closed. I put quite a bit of pink stuff on the ground prior to doing this!! ;o)

Can you trace the pipes?? I was thinking maybe the three way might be the hot water and one side is supply, one is sink, and the other drain?? The other might be cold side, supply, sink, drain, and toilet supply???

A little trial and error is in order......I would try the valves in the differnent positions and mark the handle which way is open to the outside.

Also, Pictures would help identify what you have.

Good Luck,



2004 Dodge Ram 2500 Club Cab 4x4 CTD
2007 Sunline Solaris T-276-SR: Misty Blue/Cherry
2001 Dodge Ram 1500 Reg Cab 4x4 OFF-ROAD
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Old 02-21-2013, 08:19 AM   #3
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Join Date: Apr 2011
Location: Maine
Posts: 3,298
SUN #2097
mainah is an unknown quantity at this point
Some of the drain valves are a pull to open push to close they will turn around and around but that does not do any thing try pushing down on the "T" handle.
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Old 02-28-2013, 06:26 PM   #4
Join Date: Feb 2010
Location: New Jersey
Posts: 35
SUN #1005
on both my 15sc and now the t220 have the push/pull version of the valves....unfortunately it looks like one of them might have had a leak that seems to have ruined part of my bathroom floor
Northern NJ

1988 Sunray T-220
'04 Ford F150
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