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Old 09-10-2018, 11:11 AM   #1
jimsmc
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Automatic Ice Maker Cutoff

Hey Friends! I have a Keystone Sprinter Limited 3341FWFLS with a Samsung stainless steel residential refrigerator. The fridge came with an ice maker--something your occasional weekend RV camper doesn't really need. I read the book and it says there is a cutoff switch next to, and under, the sink, but for the life of me I cannot find it. There are lots of red and blue plastic pipes under there, but I cannot find a "switch" to turn off the flow to the ice maker. Anyone have any ideas for me?

Thanks in advance for your help.
Jim
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Old 09-10-2018, 11:58 AM   #2
JRTJH
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It's not a "switch" but two valves that you'll be looking for. One is under the sink, above the unheated space and the other is behind the refrigerator, also inside the heated space. They are 1/4 turn valves, should be in the blue PEX line that goes to the cold water faucet on the galley sink.

The purpose of having two valves (not switches) is to turn the water off before it flows into the "below the slide plumbing". That way, you won't damage your ice maker line during winter's freezing temperatures. The valve behind the refrigerator is there so anything that might melt in the ice maker or any water that's in the line behind the refrigerator won't flow back down to the exposed plumbing.

There is a diagram in the Keystone Owner's Manual that depicts approximately where the valves are located, but each trailer can differ from that basic diagram, so you might find it somewhere "close by".... If you go under your trailer, you'll find the 1/2" PEX line that connects to a flexible line which enters the slide under the refrigerator. Follow that line toward the center of the trailer and you'll see a "low point drain" under the galley sink area. There may also be a 1/4 turn valve on that low point drain. Some have the third valve, some don't.
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Old 09-10-2018, 12:12 PM   #3
jimsmc
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How hard is it to get behind the fridge to the cutoff? The fridge itself sits on the slide out and there is a "lip" of sorts there. Does it roll? Thanks so much for the quick reply!
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Old 09-10-2018, 12:55 PM   #4
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It ain't easy !!!! But it's not impossible either. On some floorplans you can reach it by slipping a "skinny arm" behind the refrigerator. On some floorplans, it's in the back of an adjoining cupboard, and on some floorplans you have to unfasten the refrigerator securing straps and pull it out 4 or 5 inches to get to the valve. I've no idea on your trailer exactly where the valve is located, so sorry, I can't tell you how hard it is to operate it. Did you find the one under the trailer and on the cold water line under the galley sink?
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Old 09-10-2018, 01:03 PM   #5
jimsmc
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I was afraid of that! No, sir, I’m afraid the camper is in storage right now. Taking it out in a couple of weeks, but last time I was in it I had looked for a way to shut down the ice maker because we were already getting mold in the tray from melting ice and, of course, I want the lines dry for winter.
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Old 09-10-2018, 01:07 PM   #6
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The diagram I talked about is on page 42 of the 2019 Keystone Owner's Manual. You can download it here: https://www.keystonerv.com/owners/owners-manuals/ That should give you a pretty good idea of what to look for and about where you'll find the valves.
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Old 09-10-2018, 01:28 PM   #7
jimsmc
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Thank you so much, John!! I really appreciate your help. I’ll let you know what I find.
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Old 09-10-2018, 01:56 PM   #8
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My cutoff is behind a panel under the oven which is next to the fridge
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Old 09-10-2018, 08:26 PM   #9
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besides turning the water off as y'all have been talking about, You should also be able to turn the ice maker off inside the fridge. look at the panel at the top that shows the temperatures there is a touch "button" that if pushed a small symbol lights up that reads ice maker off (may need a magnifying glass to read it).
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Old 09-11-2018, 02:50 AM   #10
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Thanks for pointing out there was another valve hidden behind or near the fridge. Iím hoping I can get to it by removing the panel under the oven in my Alpine. Iím not sure Iíd be able to reach it if itís behind the fridge. If itís not there I may just disconnect the line under the slide to make sure it drains. Since there is no way to blow out the ice maker I wonder if having it on when we open the low point drain would help it vent to drain.
FYI, the manual, page 45, also says not to run the antifreeze through the ice maker but mine came with pink in the ice maker from the factory.
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