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Plumbing - no cold water from cold water tap

I can not get cold water from my bathroom sink cold water tap. It will come out luke warm. I checked the washer and the hot water is not bleeding into the cold water line. I had someone look at it and they said the cold water line must be near the hot water line which produces the luke warm water instead of cold water. He said there was nothing he could do about it. However, my apartment neighbor does not have this problem. I would have to run the water for about 2-3 minutes to get it to cool down but then it doesn't stay cool for long. Why would the cold line water be luke warm?

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  • Dave Mike Fetterman Nov 08, 2012

    Hey debi Fetterman did you ever figure out that warm-water coming outta yer cold water tap, Lil'd?

  • Anonymous Mar 18, 2014

    The tank is leaking at the base and the tap is spitting and spluttering

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Hi blondi_1452,

I'm Harvey the Master Plumber.

Your question is: Why would the cold line water be luke warm?

In 30 years I've seen this maybe 10 times. It is relatively rare. But each time it was a cross connection between the hot and cold water lines. It could be this fixture is close to the hot water heater or the cross cnnection is in a faucet or it is in the way the water lines are piped. Anyway I would have to closely inspect the system while running the water in the fixtures in different combinations. Once the cross is located the easiest fix at this point is installing a check valve at the right point. You might consider utilizing thr Repair Directory to find a repairman. Make sure he has solved this type of problem before.

Feel free to contact me again!
Please give me a rating here at fixya.com before you sign off
Thank you,
Harvey your Master Plumber

Posted on Sep 14, 2008

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Does the cold water pressure appear less than the hot water pressure?

If so, it is possible that the hot water is bleeding into the cold water particularly if the hot water pressure is higher than the cold.

Could the outside mains water tap have been turned down reducing the cold water pressure?
Is the hot water temperature high enough to cause higher pressure?

Could there be rusting in the main or cold water pipe causing restriction?

Posted on Sep 14, 2008

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More than likely its to do with the pipes being in direct sunlight causing pipes to warm water,or they may be inside a wall wich faces the sunlight doind the same.your nieghbours pipes may be longer than yours allowing it to cool by the time he recieves from tap. some sort of shading on pipes or wall may help with your prob. good luck

Posted on Sep 14, 2008

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