Mike F Blue Ash , OH December 11, 2023 Appliance: Whirlpool Washer WTW8500DC0 Whirlpool Laundry Center Wtw8500dc0: Lf code (To long to fill). How to replace Water Inlet Valve. Replaced the inlet valve assembly. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes