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Old 01-16-2009, 09:34 AM
 
Location: In a house
19,456 posts, read 14,889,465 times
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I am getting cold water just fine but there is no water at all coming from the faucet when I turn it to hot. What would cause this? The temperature has been freezing the last few days but why would only the hot water be affected?
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Old 01-16-2009, 09:44 AM
 
Location: Johns Creek, GA
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Well, believe it or not- hot water will freeze before cold water will.
That might be the problem. But, I suspect something else- depending on where the supply lines are.
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Old 01-16-2009, 09:49 AM
 
Location: In a house
19,456 posts, read 14,889,465 times
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We have a slab house but from what I can see the lines going into the hot water heater are covered with insulation. There is no water in any of my hot water faucets throughout the house. Is it possible it could be the water heater itself?
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Old 01-16-2009, 10:52 AM
 
Location: In a house
19,456 posts, read 14,889,465 times
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We took a space heater up in the attic and sat there with it and finally some water started coming out of the hot water faucets and now they are just fine. Guess they just froze it his friggin' way to cold of weather!!!
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Old 01-16-2009, 11:07 AM
 
Location: Londonderry, NH
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Be aware that after freezing a couple of times pipes will become stretched enough to split. You need to heat trace the pipes or for the time being let the water run a bit to keep the pipes above freezing.
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Old 01-16-2009, 12:03 PM
 
2,217 posts, read 663,557 times
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Quote:
Originally Posted by K'ledgeBldr View Post
Well, believe it or not- hot water will freeze before cold water will.
Yes indeed. I don't know why, but I've seen it happen on several occasions.
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Old 01-16-2009, 12:48 PM
 
153 posts, read 517,536 times
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Quote:
Originally Posted by Filet Mignon View Post
Yes indeed. I don't know why, but I've seen it happen on several occasions.
Most of the time it has nothing to do with hot water freezing faster, and is instead a result of foolish contractors neglecting to insulate the hot water pipes. I don't believe that there is any way that the hot water pipe can freeze first, but if hot water pipe water has smaller particulates than the cold water, then the the hot water could easily supercool, resulting in a much faster expansion upon freezing and a broken hot water pipe.
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Old 01-16-2009, 01:02 PM
 
Location: Apple Valley Calif
7,426 posts, read 13,197,969 times
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Boiling water will freeze faster than cold water, because when boiling you remove all of the oxygen from the water. Hot water in a pipe won't get hot enough to freeze faster...
... according to my science teacher anyway...
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Old 01-16-2009, 01:04 PM
 
Location: Johns Creek, GA
7,529 posts, read 25,412,150 times
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Quote:
Originally Posted by ben52284 View Post
Most of the time it has nothing to do with hot water freezing faster, and is instead a result of foolish contractors neglecting to insulate the hot water pipes. I don't believe that there is any way that the hot water pipe can freeze first, but if hot water pipe water has smaller particulates than the cold water, then the the hot water could easily supercool, resulting in a much faster expansion upon freezing and a broken hot water pipe.
For those that didn't have physics in school:
Physical Reality - Hot Water Freezes Faster Than Cold
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Old 01-16-2009, 01:08 PM
 
23,915 posts, read 19,682,682 times
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Quote:
Originally Posted by K'ledgeBldr View Post
For those that didn't have physics in school:
Physical Reality - Hot Water Freezes Faster Than Cold
Good post!!!
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