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Hot water heater: running out of water too fast



 
 
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  #1  
Old March 5th 07, 02:03 PM posted to alt.home.repair
mdo
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Posts: 1
Default Hot water heater: running out of water too fast

I just bought a house, and the hot water tank was only 6 months old
when I moved in. We've only been in it a week, but it seems that if
two people have normal (5 - 10 min) showers in the morning, the hot
water runs out by the time the second person is half done. I know
noting about a hot water heater except how to change the temperature
setting, so am a little lost here. Does anyone have a comment or
suggestion about what may be going on, or what I can do before I have
to call a plumber? Thanks in advance.

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  #2  
Old March 5th 07, 02:10 PM posted to alt.home.repair
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Posts: 15
Default Hot water heater: running out of water too fast

"mdo" wrote in message
oups.com...
I just bought a house, and the hot water tank was only 6 months old
when I moved in. We've only been in it a week, but it seems that if
two people have normal (5 - 10 min) showers in the morning, the hot
water runs out by the time the second person is half done. I know
noting about a hot water heater except how to change the temperature
setting, so am a little lost here. Does anyone have a comment or
suggestion about what may be going on, or what I can do before I have
to call a plumber? Thanks in advance.


Hold off on the plumber!!

Just raise the thermostat a few degrees. Is the heater gas or electric? They
have different kinds of thermostats. Some are calibrated in degrees--
others just something like cooler/warmer.

Turn it up a little and try it for 2-3 days to see if that helps. If it gets
a little better but still not enough hot water, turn it up a bit more.


  #3  
Old March 5th 07, 02:13 PM posted to alt.home.repair
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Posts: 222
Default Hot water heater: running out of water too fast

Whats the temp setting on now? Might want to try increasing hot water
temp a bit first......start with about 10-15 degrees and see if that
helps.


  #4  
Old March 5th 07, 04:56 PM posted to alt.home.repair
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Posts: 31
Default Hot water heater: running out of water too fast

the first 2 responses are good, but how big is the water heater??


mike........


  #5  
Old March 5th 07, 04:57 PM posted to alt.home.repair
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Posts: 303
Default Hot water heater: running out of water too fast

On 5 Mar 2007 06:03:39 -0800, "mdo" wrote:

I just bought a house, and the hot water tank was only 6 months old
when I moved in. We've only been in it a week, but it seems that if
two people have normal (5 - 10 min) showers in the morning, the hot
water runs out by the time the second person is half done. I know
noting about a hot water heater except how to change the temperature
setting, so am a little lost here. Does anyone have a comment or
suggestion about what may be going on, or what I can do before I have
to call a plumber? Thanks in advance.



there was a recall on some ho****er heaters that have a bad fill tube.
the one symptom was hot water ran out fast. Do you have a make model
and year you can share?

tom @ www.BlankHelp.com

  #6  
Old March 5th 07, 06:40 PM posted to alt.home.repair
mm
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Posts: 7,843
Default Hot water heater: running out of water too fast

On 5 Mar 2007 06:03:39 -0800, "mdo" wrote:

I just bought a house, and the hot water tank was only 6 months old
when I moved in. We've only been in it a week, but it seems that if
two people have normal (5 - 10 min) showers in the morning, the hot
water runs out by the time the second person is half done. I know
noting about a hot water heater except how to change the temperature
setting, so am a little lost here. Does anyone have a comment or
suggestion about what may be going on, or what I can do before I have
to call a plumber? Thanks in advance.


Is this electric or gas??????? Or solar?

If you have two heating elements in the wh, the bottom element or
thermostat may be broken or defective. IIUC that is much more likely
than the top one. (actually I don't know what happens when only the
top element is defective, but I think the water doesn't get hot at
all.)

Turn off the circuit breaker, take off the cover, check with a
voltmeter set to 240Volts AC or higher any two contacts that you
intend to measure in any other way, and then IF THE VOLTAGE IS ZERO
measure the resistance between the two screws on the heating element.
It should be very low.

Try to figure out which two are the proper ones to measure across the
thermostat, and after measuring for voltage, and IF THE VOLTAGE IS
ZERO, measure the resistance there. It should be zero.

If the heater resistance is not low, or the water is not hot and
thermostat resistance is not zero), that part probably needs
replacing. The part is less than 20 dollars iirc.

If the water is hot enough, even if the circuit breaker has been
turned off, the resistance across the thermostat will be high or
infinite. But that is normal when the water is hot enough.
  #7  
Old March 5th 07, 08:46 PM posted to alt.home.repair
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Posts: 5,834
Default Hot water heater: running out of water too fast


"mdo" wrote in message
oups.com...
I just bought a house, and the hot water tank was only 6 months old
when I moved in. We've only been in it a week, but it seems that if
two people have normal (5 - 10 min) showers in the morning, the hot
water runs out by the time the second person is half done. I know
noting about a hot water heater except how to change the temperature
setting, so am a little lost here. Does anyone have a comment or
suggestion about what may be going on, or what I can do before I have
to call a plumber? Thanks in advance.


Gas or electric? If it is electric one of the elements may be bad. It would
heat up during night from just one element, but as soon as you start using
the water it becomes diluted and cannot recover as fast with only one
element working. Even though fairly new, things do break and it may be
covered under the warranty.

Another possibility is that it is too damned small and the previous owner
went for cheap knowing he will be moving out.



  #8  
Old March 6th 07, 12:43 AM posted to alt.home.repair
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Posts: 375
Default Hot water heater: running out of water too fast


"Just Joshin" wrote in message
...
On 5 Mar 2007 06:03:39 -0800, "mdo" wrote:

I just bought a house, and the hot water tank was only 6 months old
when I moved in. We've only been in it a week, but it seems that if
two people have normal (5 - 10 min) showers in the morning, the hot
water runs out by the time the second person is half done. I know
noting about a hot water heater except how to change the temperature
setting, so am a little lost here. Does anyone have a comment or
suggestion about what may be going on, or what I can do before I have
to call a plumber? Thanks in advance.



there was a recall on some ho****er heaters that have a bad fill tube.
the one symptom was hot water ran out fast. Do you have a make model
and year you can share?


that ended a few years ago (1999?). OP's is much newer than that.

  #9  
Old March 6th 07, 01:46 AM posted to alt.home.repair
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Posts: 245
Default Hot water heater: running out of water too fast


"Edwin Pawlowski" wrote in message
news:hk%Gh.6262$Tf.5558@trndny03...

"mdo" wrote in message
oups.com...
I just bought a house, and the hot water tank was only 6 months old
when I moved in. We've only been in it a week, but it seems that if
two people have normal (5 - 10 min) showers in the morning, the hot
water runs out by the time the second person is half done. I know
noting about a hot water heater except how to change the temperature
setting, so am a little lost here. Does anyone have a comment or
suggestion about what may be going on, or what I can do before I have
to call a plumber? Thanks in advance.


Gas or electric? If it is electric one of the elements may be bad. It
would heat up during night from just one element, but as soon as you start
using the water it becomes diluted and cannot recover as fast with only
one element working. Even though fairly new, things do break and it may
be covered under the warranty.

[snip]


If you have electric hot water and the water is hot but turns cold sooner
than you think it should, the bottom element may have failed. If the water
doesn't get to the right temperature or takes a very long time to reheat
after being depleted, you may have a top element that has failed.
Regards --


  #10  
Old March 6th 07, 09:23 PM posted to alt.home.repair
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Posts: 303
Default Hot water heater: running out of water too fast

On Mon, 5 Mar 2007 17:43:49 -0700, "Bob M." wrote:


"Just Joshin" wrote in message
.. .
On 5 Mar 2007 06:03:39 -0800, "mdo" wrote:

I just bought a house, and the hot water tank was only 6 months old
when I moved in. We've only been in it a week, but it seems that if
two people have normal (5 - 10 min) showers in the morning, the hot
water runs out by the time the second person is half done. I know
noting about a hot water heater except how to change the temperature
setting, so am a little lost here. Does anyone have a comment or
suggestion about what may be going on, or what I can do before I have
to call a plumber? Thanks in advance.



there was a recall on some ho****er heaters that have a bad fill tube.
the one symptom was hot water ran out fast. Do you have a make model
and year you can share?


that ended a few years ago (1999?). OP's is much newer than that.



Ok that means my idea is out.

tom @ www.FreelancingProjects.com

 




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