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Doorking Replacement Circuit Board Model No. 4502-018 This board requires photoeyes to activate Replacement control board for Doorking models 6050, 6100, 6300. The 4502-018 is the replacement for post 2016 UL guidelines. Used on 6050, 6100, 6300 operators only. Terminal strip sold separately What's included: (1) 4502-018 control board
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🇺🇸 Ship from USA · On Agora since 2025
$527.99