Check the listing for details. LiftMaster Logic 5 Single Phase Power Board Replacement Kit, Part # K001D8396-1. Condition: New. Listed at 112.59 USD. LiftMaster Logic 5 Single Phase Control Board KitGenuine LiftMaster Part # K001D8396-1This is a Single Phase Logic 5 Power Board Replacement Kit. Compatible with various LiftMaster Single Phase Logic 5.0 Commercial Door Operators. We only except returns on UNOPENED boxes of Circuit Boards. Please make sure that this is the correct board for your opener before ordering. If the Circuit Board is faulty, please contact us for warranty replacement procedures before returning the circuit board. CAUTION: Installing or repairing a garage door can be dangerous task. Garage door springs and cables are under extreme tension and require appropriate safety precautions. Working with garage doors and openers could result in personal injury or death. We recommend all installations, repairs, adjustments, and removals on garage doors be made by a qualified garage door technician. Any attempts to install, repair, replace, adjust garage doors or openers are done at your risk. In no event shall M. C. Overhead Door parts division be liable for damages of any kind, personal injury or death. User assumes all responsibility/risk for use of information and products purchased. By purchasing our products you agree to these terms.