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The Hydrotech 44302304 is for use with the following water filtration systems:
The Pura 220 Volt LOC NC UV20/UVB 220 Control Module works with systems with a "Normally Closed" (NC) "Lamp Out Circuit" (LOC) solenoid valve. This UV control module DOES NOT work with those systems equipped with an audible alarm.
The Hydrotech 44302304 specifications: