Merlin Logic Box to Suit the Swing L300 Motor/Opener

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A Logic Box's logic outputs are used to trigger contacts to open and close, and they are often compared to relays.


  • Merlin L300

*Warranty Disclaimer:

Please Note: To receive full manufacturer warranty, you must be able to provide proof of install by a garage installer and the door must have a regular servicing history as per the manufacturer terms and conditions which can be found on the manufacturer's website or in your user manual.*