Leroy B Loveland , CO November 16, 2015 Appliance: Whirlpool Refrigerator ED5FHEXNQ00 Whirlpool Refrigerator Ed5fhexnq00: Broken water filter cap. How to replace Refrigerator Water Filter Cap. Ordered a new water filter cap from your store and replaced it over the filter. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes