Anyone know what this cold water tube is for?
These two tubes are coming from under the bathroom sink cabinet. One side of these tubes go to the faucet and rest of the trailer. The other side (pictured here) go through the floor to the undersid...
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Can’t see the end of the blue one very clearly, but guess is that it broke off. If you can access that pipe from under the sink you might replace the blue one with a longer one and either cap it or put a shutoff valve on it. And add a valve to the red one while you are at it so you can easily use the low point drains.
