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Old 03-13-2017, 06:14 PM   #1
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Capped water pipes under unit

I have a FR Lexington 283 GTS..2008 model year. There are two pvc pipe drains with screw on caps located just behind the right rear tires and exhaust pipe. I'm trying to determine where those pipes are attached and what water systems they drain. There is another pvc pipe with a lever that drains from the fresh water system that was an after market installation (I'm assuming that ). Can anyone help with that?

I'm fairly new here and appreciate any help.

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Old 03-13-2017, 06:26 PM   #2
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Best guess is low point drain tubes for the hot and cold water lines.

What is directly above them inside?
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Old 03-13-2017, 06:28 PM   #3
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i'd bet on low point drains also. are they colored? red would be hot, blue would be cold.
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Old 03-13-2017, 06:31 PM   #4
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The pipes are side by side and they are covered with spray insulation so I can't tell where they originate.

Thanks for the reply
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Old 03-13-2017, 06:34 PM   #5
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If you went inside your unit and stood near where the lines are what would you be standing in front of?
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Old 03-13-2017, 06:36 PM   #6
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As mentioned above, they are the low point drains for the hot and cold plumbing lines. You would remove the caps and open a faucet to drain the water lines. Many people remove the caps and replace them with 1/4 turn valves for convenience. Your dealer should have pointed these out during PDI as they are needed for winterization. See photo below although color may vary..
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Old 03-13-2017, 06:51 PM   #7
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Thanks for the replies. I will have to heat water and try draining one at a time. They are both white pvc, and we have drained tanks for winterizing and then blew air through those lines to make sure they were clear.
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Old 03-14-2017, 12:53 PM   #8
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Spirit, we have a 2012 283 TS Lexi. I open both of those and the fresh water tank valve in the rear outside compartment, turn the faucets all on and go do something else for a while. I usually park it up hill a bit. Our fresh water tank is located in the bedroom on the same side as these pipes in question. You can call me if you have other questions. 812-890-9000
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Old 03-14-2017, 02:29 PM   #9
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On my Georgetown one is for the low point drain for both hot and cold water and the other is the fresh water tank drain. I also have a 3rd hose that is the overflow for the fresh water tank.
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Old 03-14-2017, 02:58 PM   #10
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Quote:
Originally Posted by spiritoftopeka View Post
Thanks for the replies. I will have to heat water and try draining one at a time. They are both white pvc, and we have drained tanks for winterizing and then blew air through those lines to make sure they were clear.
First, be careful about that! You can drain the hot water line just by opening the cap and then opening a hot water faucet. If you heat the water be careful about potentially scalding your hand when opening the drain cap!

Second, the other line you mentioned it the fresh water drain line (with a valve). That's standard equipment necessary (as are both the water line drains) for winterization. So it's likely not after-market equipment, although it could be or it could have been replaced by a prior owner.

Last, those drain caps do have to be removed and the lines drained before blowout and/or adding antifreeze (before those steps the caps are put back on). Otherwise you leave standing water in the drain tubes that can freeze and crack. If you add antifreeze to the lines, it will *likely* sink down into those tubes and protect them, but there's no reason to risk it so open the drain caps (that also makes draining a whole lot faster...).
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Old 03-15-2017, 08:40 AM   #11
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Capped water pipes

Thanks for your replies. Weather this year has been challenging wherever you live. ..not sure when to winterize, or when we might take off again. Your information is helpful.

Thanks, spiritoftopeka
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Old 03-15-2017, 09:40 AM   #12
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Our 330TS is the same as RudysWorld describes. I make sure to keep that point the lowest when emptying. Had to put the drain plugs back in to pump in antifreeze.
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Old 03-15-2017, 12:11 PM   #13
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Spirit, in addition to the two lines in the photo, which are the hot and cold drain lines, there should be a third line exiting the bottom in the same area. It may not have a cap on it, and is probably white or opaque in color. It is the fresh water tank drain line.
It drains via a cut off valve, which is located in the baggage compartment at the right rear, just above the lines.
To access the valve, locate the screw off plate inside the compartment. Its on the front wall if the inside of the compartment, and is about 4-5 inches in diameter. Unscrew the plate odd and you should see a chrome valve attached to a water line. Thats the drain valve. When draining it, it helps to take the fill cap off the fill port.
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