Edward P Oldsmar , FL August 07, 2016 Appliance: Maytag Refrigerator MBB2256GEW Maytag Bottom-Mount Refrigerator Mbb2256gew: Ice maker over fill. How to replace Water Inlet Valve. Ordered a new water regulator. Fast delivery and perfect fit as always when ordering from your site. Repair time was 20 minutes. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes