Do you have windows in your engine? better be made of quartz. Only joking. 
 
I am not sure what vinegar will do to the metal components, it is a mild acid? perhaps a runing it once for cleaning purpose and return to normal water immediately. 
 
Have you finished installing the system yet?
		 
		
		
		
		
		
		
			
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				Richard L 
aquamist technical support
			 
		
		
		
		
		
	
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