The Genie 38647S.S Circuit board is a factory replacement for models ReliaG 850, and 2028, and for Overhead Door branded models Legacy 850, and 2029. The 38647S.S board will work on either belt drive units or chain drive openers. Overhead Door and Genie are the same company and the parts are interchangeable.
•Use of the Woods Garage Door Opener Surge Protector is recommended when replacing circuit boards
•Circuit board is easy to install, even for novice handymen
•Original Genie manufactured replacement part
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