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					Originally Posted by FlamesFan  John do yourself a favor and get kevin to bring in a timer switch for your rodi unit too. I had 2 incidents involving overflowing rodi water in my laundry room until I got one.  No problems since   | 
	
 I use one of these in my RO/DI reservoir in the basement.
 
Does a good job of cutting the water.  Although, I wouldn't rely on it 100% of the time.   If you know you don't need to make RO/DI for a period of time, it is best to completely shut off the supply water to the RO/DI.  This will prolong the life of the filters.