Terry wrote:

> How the hell do they know for
> sure that liquid water is not flowing out the hose?
> 

Terry speak "for how the hell do I know for sure that liquid water is not 
flowing into the hose?"

If you agree that steam is passing through the hose, then if water is also 
flowing in the hose, it would tend to back up and make a sputtering noise near 
where the hose ends in the drain in the wall. 


Harry

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