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the idler seems to work fine. I did a changeover from old chain to belt.

I needed a logic board for my 3800PLD jack shaft garage door. I was told by my local garage door service center that I would never find a working logic board. They told me if I did find one that it was probably too old from sitting on a shelf somewhere and probably would not work either. I know they wanted to sell me a new motor but for the high cost of a new motor I was willing to take a chance on the new logic board. It arrived quickly and in a box that looked new. A good friend installed the new logic board and now my garage door openers and outdoor key pad work great. Also, my garage door used to shutter about 6 inched from closing and now it closes all the way very smoothly. Again the local garage door service center told me a year ago that the shuttering motion was because I need a new motor. Thanks so much for a great product and great service!

OEM quality. Shipped and received on time and easy to interpret instructions made replacement well within the capabilities of a DIY advocate.

Shipping was very fast and products were a perfect match.

Product was just what I needed and delivered on time. Thanks