You should not run your RO unit on a float valve to top up a resevoir.  I mean dont have the ro unit on all the time.  Ro units are not meant to be run for short periods oftime, on off on off,  ie. topping up resevoir .  Best to let your resevoir to run down , set a reminder and then fill it right up every 3-4days. That way your Ro unit will run for a longer period of time.  Much better for producing better water. Just my 2 cents!! 
		
	
		
		
		
		
			
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				Gerad 
White Rock
			 
		
		
		
		
	
		
		
	
	
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