Emil H Millburn , NJ August 01, 2017 Appliance: KitchenAid Refrigerator KBFS20EVMS1 Kitchenaid Refrigerator Kbfs20evms1: Squeaky water dispenser low flow. How to replace Refrigerator Water Filter Head Assembly. Replaced water filter head. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes