ButtonWorx Button Repair Kit
Logitech Harmony 300 350


New Design!
Improved design that is more responsive
  • Easy installation with video 
  • Never wears out! *Satisfaction Guaranteed*
  • No glues, epoxy or paint
  • Will not chip, scratch, peel or fall off
  • Tested over 1 million button presses
Below video is for model 600
The 300 / 350 is less complicated to open and has one large keypad for all buttons but with a small single break-away button for power 

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