Robert A Frenchtown , NJ January 07, 2019 Appliance: Model 253.28712805 Digital controlled failed Fix was very easy. Simply popped out the old unit with a sharp putty knife and then popped the new one back in. Fix took about 1 minute to complete. Part was exact match and lined up perfectly. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes