David B Charleston , WV February 10, 2017 Appliance: Model 18MH704SFS Samsung over the range microwave oven, needed a new thermostat (repair attempted by professional repairman who used wrong part) Ordered part on Saturday after phone consultation with AppliancePartsPros.com the part was shipped on Monday, arrived on Tuesday (FedEx ground) and microwave was working on Tuesday evening. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes