The 41C4398A RPM sensor is for all Chamberlain and LiftMaster Group chain and belt drive openers manufactured from 1984 to the present.

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Product Review

The 41C4398A RPM sensor is for all Chamberlain and LiftMaster Group chain and belt drive openers manufactured from 1984 to the present.

  • For use with all Chamberlain and Liftmaster Group chain and belt drive openers
  • For units manufactured from 1984 to the present

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