Sandra D Plano , TX January 30, 2015 Appliance: Model MODEL # WTW57ESVW1 WHIRLPOOL No matter where you started the wash cycle the machine would agitate before water filled the tub Read "How to Troubleshoot & Replace Whirlpool AP4459660 / W10248240 Temperature Switch" on AppliancePartsPros.com. Ordered part, received part from FedEX in 1.5 days and installed the part. Problem was fixed and I was able to do a load of clothes in under 48 hours from when part was ordered. 13 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes