Shawn B Deltona , FL August 21, 2015 Appliance: Model WHIRLB Nob broke off ordered a new pne actually showed up really fast changed it out in seconds this was a perfect fit nice job and thanks again Very carefully.unplugged the appliance dismantled the back hooked up the wires reassembled it.and bam it worked. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes