[Greenbuilding] [BULK] Re: Solar Water Heater architecture

[Corwyn]

On Aug 14, 2006, at 14:56, Lawrence Lile wrote:

> If you are pumping oil, you have to worry about flammability.  Hot oil
> is more flammable than room temperature oil.  Most of these oils should
> (I'm guessing) have a flash point well above the temperatures found in 
> a
> solar water system, but if you are operating anywhere near the flash
> point you are taking risks. Most oils probably have flash points above
> 350 F, IIRC.

I am confused about how flammability is a concern in a sealed system.

> But it can't freeze.

Why not?  Some oils are solid at room temperature, others have melting 
points ranging from -18ºC to 35ºC.


Thank You Kindly,

Corwyn


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Corwyn
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