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					Originally Posted by  leathermang
					 
				 
				' does work or will not be manufactured by HF ' ...LOL  
the Venturi type of pump does NOT WORK WELL ENOUGH to properly evacuate an AC unit...  
 it can make a vacuum for less ' needy '   uses.... but drawing enough vacuum to BOIL out the moisture is in a different category than that... 
			
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 Last post here.
"does NOT WORK WELL ENOUGH" = WORK
"to BOIL out the moisture" = receiver/drier does the job
It is not a perfect world. A/C is not rocket science, please do not convince others that it is. Please don't elevate yourself either.