Fast Flush Ball Valve Restrictor This fast flush flow restrictor is designed to allow you to quickly clean off your membrane and get the stale water out of your unit to eliminate TDS creep. Just open the fast flush valve for a couple of gallons to extend the life of your membrane and save on your DI resin. Standard Features
Extend the
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Works well
My original began to leak after several years of weekly use. Replacement is easy and air water ice has the parts at a good price.