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Old 06-21-2022, 03:03 PM   #1
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Where is the fresh water tank drain

2017 Jaydlight 175 rd

My fresh water tank needs drained, can't find a valve to dtain it, here's a picture of the tank, I don't see any other outlets for it.
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Old 06-21-2022, 05:25 PM   #2
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Take a look underneath the trailer outside, directly under where the tank sits. There should be a drain valve. It may be labeled as "Low Point Drain" on the siding.
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Old 06-21-2022, 06:03 PM   #3
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Take a look underneath the trailer outside, directly under where the tank sits. There should be a drain valve. It may be labeled as "Low Point Drain" on the siding.
There is a valve outside, but i figure its an overflow, I did open it, nothing comes out. I read the manual, it talks of a valve inside by the tank...
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Old 06-22-2022, 12:37 PM   #4
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Surprised nobody else has dealt with this, draining stinky water should be easy, definitely not self explainitory from the manual
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Old 06-22-2022, 01:48 PM   #5
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It seems like maybe I use those red and blue low point valves, think I'll try that when I get home from work.
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Old 06-22-2022, 03:17 PM   #6
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Ours is outside underneath the tank.
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Old 06-22-2022, 03:24 PM   #7
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It seems like maybe I use those red and blue low point valves, think I'll try that when I get home from work.
Those are your plumbing line drains and won't drain the tank.
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Old 06-22-2022, 06:15 PM   #8
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It should be on the side under the trailer. Most are white 1/4 turn valves mounted to the trailer frame. With a clear hose connected to it.
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Old 06-22-2022, 06:18 PM   #9
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My fresh water drain has a low point sign on the side of the rig just above the valve.
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Old 06-22-2022, 06:46 PM   #10
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To clear up any already confusion, the manual is generic and useless with this problem.

the red/blue low point drains are drains for the plumbing system, not the tank, as pointed out by @OnTheGo.

The fresh tank drain "should" be in 1 of 2 places.

1) the drain MAY be a hose hanging down under the trailer with a valve on the end that opens to drain the tank. There will be nothing else installed underneath with a hose and valve like this, so - thats the tank drain. Open/close this valve rapidly a few time and see if anything comes out.

2) the drain MAY be mounted on the side of the RV, with a label specifying it as such. Open/close this valve rapidly a few time and see if anything comes out.

If you do in fact have water in the fresh tank and its not draining, then the drain may be plugged. I would open whatever drain valve you have, and either shoot some low pressure air into it from a compressor or just blow through it with you mouth.
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Old 06-22-2022, 08:25 PM   #11
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If you do in fact have water in the fresh tank and its not draining, then the drain may be plugged. I would open whatever drain valve you have, and either shoot some low pressure air into it from a compressor or just blow through it with you mouth.
Yes, thanks for the reply, the valve I thought was an overflow was the drain valve, it was non-functional, cheap plastic.

I took a screw driver to the clamp, and pulled it off the valve and water gushed out. I might just use the valve as a plug, as often as the system will need draining, the way I did it seems fine.

So I had a victory today! Getting ready for our next big trip!
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