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Align the screw with the 6-32 threaded hole or nut
ensuring it holds the valve components in place without over-tightening
It is primarily designed for cold water systems common in water softening setups
Carefully remove any old media and clean the tank if necessary
Is the tank heavy when full
NRO Controller CPU Board Autotrol Logix 268 Performa control valve Align the screw with theThe NRO Controller CPU Board from Advantage Controls is the central electronic brain that keeps a Nelsen reverse osmosis system running the way it was designed to. When an RO controller stops responding, fails to read inputs correctly, or no longer drives the pump and solenoids on schedule, the CPU board is frequently the component at fault. Installing a fresh board restores reliable logic control without forcing you to replace the entire control
