[Spridgets] Density of the Wax?

Ron Soave soavero at yahoo.com
Sat Apr 10 16:14:11 MDT 2010


Third paragraph down explains it. CC'ing list as well.

http://www.innerauto.com/Auto_Part/Thermostat/

--- On Sat, 4/10/10, Kirk Hargreaves <khargreaves2 at gmail.com> wrote:

Thanks, I had no idea.  I always thought it was only the spring in the
thermostat that compressed and released under heat. 


On Sat, Apr 10, 2010 at 3:02 PM, Ron Soave <soavero at yahoo.com> wrote:


Yes. There is a fluid in the temperature bulb. The temperature raises, wax
melts, valve moves to open. Temperature drops, wax solidifies. They used to be
called "wax valves", still are in "the biz".

--- On Sat, 4/10/10, someone anonymous wrote:
Ron,


There is a wax component in a thermostat?  Did I read that right? 


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