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			#11  
			
			
			
			
			
		 
		
		
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			 Can you trace the entire path of the water column through the unit? That's such a weird scenario I don't know what to suggest. 
		
	
		
		
		
		
		
	
		
		
	
	
	If you have a voltmeter/ammeter, try testing the water column to your ground, and then see if the water at the faucet closest to the RO/DI unit gives any reading. /boggle  |