3840 DC Motor Screw Drive with Battery Backup
  • 3840

  • DC Motor Screw Drive with Battery Backup

  • Our newest opener and newest addition to our Elite Series line, the LiftMaster 3840 3/4 HPS DC Motor Screw Drive with Battery Backup is the only screw drive garage door opener on the market with...

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If you are an architect or specifier looking for product specs, please send an email to: specs@liftmaster.com



If you are looking for technical support or have a product related question, send an email to: technical.support@chamberlain.com