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Toilet tank sweating

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Toilet tank sweating Kate 02-08-2007
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Posted by Kate on February 8, 2007, 1:14 pm


I have a Kohler toilet tank in one of the bathrooms that sweats so much that
it forms small puddles on the tile floor.

This worries me because I fear it will eventually soak into the baseboard
and down to the subfloor and cause a moisture problem.
I can't spend all day running back and forth to dry it off.

I've been told that it is because the humidity is too high in my house and
that I should get a dehumidifyer. That is out of the question, I cannot
afford one.
Though there is a certain amount of humidity, it makes it easier on the
sinuses this time of year.

The water here is quite cold right now, and I would like a simple solution
to this problem.

Have any of you any suggestions that are at little or no cost?

TIA!

Kate



Posted by RayV on February 8, 2007, 1:19 pm


> I have a Kohler toilet tank in one of the bathrooms that sweats so much that
> it forms small puddles on the tile floor.
>
> This worries me because I fear it will eventually soak into the baseboard
> and down to the subfloor and cause a moisture problem.
> I can't spend all day running back and forth to dry it off.
>
> I've been told that it is because the humidity is too high in my house and
> that I should get a dehumidifyer. That is out of the question, I cannot
> afford one.
> Though there is a certain amount of humidity, it makes it easier on the
> sinuses this time of year.
>
> The water here is quite cold right now, and I would like a simple solution
> to this problem.
>
> Have any of you any suggestions that are at little or no cost?
>
> TIA!
>
> Kate

Don't bother trying to insulate the tank with styrofaom or any other
tricks. You need to warm up the water in the tank slightly. A
special fitting is made to mix hot water in so you don't get
condensation.
http://www.thisoldhouse.com/toh/video/bathplumbing/article/0,26206,1187087,00.html


Posted by on February 8, 2007, 2:17 pm



> I have a Kohler toilet tank in one of the bathrooms that sweats so much that
> it forms small puddles on the tile floor.

An aquarium heater can help.

> I've been told that it is because the humidity is too high in my house and
> that I should get a dehumidifyer. That is out of the question, I cannot
> afford one.

You might run an $80 window AC indoors for very efficient electric heating.

Nick


Posted by beecrofter on February 8, 2007, 1:20 pm


> I have a Kohler toilet tank in one of the bathrooms that sweats so much that
> it forms small puddles on the tile floor.
>
> This worries me because I fear it will eventually soak into the baseboard
> and down to the subfloor and cause a moisture problem.
> I can't spend all day running back and forth to dry it off.
>
> I've been told that it is because the humidity is too high in my house and
> that I should get a dehumidifyer. That is out of the question, I cannot
> afford one.
> Though there is a certain amount of humidity, it makes it easier on the
> sinuses this time of year.
>
> The water here is quite cold right now, and I would like a simple solution
> to this problem.
>
> Have any of you any suggestions that are at little or no cost?
>
> TIA!
>
> Kate

Common solution is to mix a little hot water into the supply with a
bit of creative plumbing.


Posted by Don Phillipson on February 8, 2007, 1:23 pm



> I have a Kohler toilet tank in one of the bathrooms that sweats so much
that
> it forms small puddles on the tile floor. . . .
> I've been told that it is because the humidity is too high in my house and
> that I should get a dehumidifyer. That is out of the question . . .
> Have any of you any suggestions that are at little or no cost?

Two factors governs the speed with which water
vapor (from air) condenses on the tank wall (and
therefore runs off into puddles.)
1 = Humidity (percentage of water vapor in the
air. The amount of water the air can carry is
governed by air temperature.)
2 = Temperature difference between the air and
the cold wall of the toilet tank.

If dehumidification is not attempted, you could
try insulating the tank. This is done by (draining
and drying the tank and) gluing expanded poly-
styrene or something to the side walls and bottom
of the tank. This is commonly done by some
builders, using foam a quarter of an inch thick.
The effect is small but you can try this cheaply
in case it helps.

--
Don Phillipson
Carlsbad Springs
(Ottawa, Canada)



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