George M Oregon City , OR March 02, 2017 Appliance: Model DOWNDRAFTPART NUMBER PV300182 (AP5318197) REPLACES Viking downdraft up / down button I am a Deaf Handyman. Too easy to do it. just Unscrew 4 screws and unplug button switch assy then plug in.new one. Screwed screws. That's it. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes