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Home Garage Door Opener Parts Circuit Boards 3 Series 315MHz Security + K001A5729

LiftMaster Logic 3 Board - L3 ** NLA

Item #: K001A5729

Manufacturer: Chamberlain, LiftMaster

Manuals & Brochures:
Installation Manual,

Discontinued:

K001A5729 can be replaced with the Logic 4 board, K001A6837, but the photo-eyes must be upgraded to the CPS-U.

Lists of Replacement product for the discontinued product(K001A5729).
K001A6837

LiftMaster Replacement Logic 4 Circuit Board L4

  • iftMaster replacement logic board (L4) kit for Commercial operators L4 board is UL325 compliant & requires CSPU photoeyes for momentary contact operation
  • Works with LiftMaster operators of all voltages and HP
  • Maintenance Alert System (MAS)
  • Open Mid Stop feature
  • Timer-to-close mode
  • Car dealer mode
  • Maximum run timer (MRT)
  • Same as K001D6837
CPS-U

LiftMaster Commercial Protector System Eyes

  • For LiftMaster Logic 2 3 4 & 5 commercial operators only
  • NOT for outdoor applications
  • Allows activation of the timer-to-close
  • Mounting hardware included
  • Sensing distance of 30 feet
  • CDO 2010 Ready
  • Receiving Eye - A: 001D6857-1 Sending Eye - A: 001D6857-2
  • Replaces CPS-L
Installation ManualManuel d'InstallationSell Sheet