How do I install a new water filter cartridge?
Fill the replacement cartridge with tap water first, then line up the arrow on the cartridge with the cartridge holder and slowly turn it to the right until it stops — do not overtighten. After installation, run water from the dispenser for 1-1/2 gallons (about three minutes) to clear the system, then press and hold the RESET WATER FILTER pad for three seconds. (Page 6)
From the official GE PSB48YSHSS Side-by-Side Refrigerator manual, page 6
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