Robert D Watchung , NJ March 14, 2016 Up/down switch for thermador exhaust fan I tried to source the switch at 2 other supply houses. Both said the part was no longer available. Appliance Parts Pro had the part and I received it in two days.I installed it in about an hour and the unit works perfectly. Read More... 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours Tools: Pliers, Screwdrivers