Harry Wade wrote:
> 
> 
>   This doesn't make sense to me on several levels but if it makes Henk feel
> better . . . . .
> 
I think my problem with the notion is that soft solder (IIRC) melts at
about 500 degrees F.  Water, at atmospheric pressure(14.7 psia), boils
at 200 degrees F.  Explain to me how the boiler will be hot enough to
melt the solder, and yet expel liquid water onto the fire?  /me
ponders... 


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