Thomas D Independence , OH January 25, 2019 Timer quit working REPLACED UNIT, TOOK ABOUT 15 MINUTES, VIDEO HELPFUL DOING WIRING REMOVAL AND RECONNECT. CONTROL KNOB & BACKING INDICATOR PLATE WAS MINOR PROBLEM, REALIGNING, ASSEMBLY AND INSTALL. BUT OVERALL VERY GOOD. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes