Replacement Option For:M-2 And M-3 Systems Equipped With Standard Digital Control Panel M-3 System Equipped With Deluxe Digital Control Panel M-3 System Equipped With Standard Digital Control PanelMfg#: 50862, 50975, 510Eria, 51408, 51511, 51545, 51789, 520Er1C, 54122, 611313, Ac100R1A, Aps100R2A, B240Dgr2A, B24Dgr2B, B240Dgr2D, C3000R1C, C4000R1A, Cs3000R, Dak100R1A, Dak100R1B, Ds100R1C, Ds34R2A, Ds34R2B, Ds4R3C, Fw150R1B, H150R2A, H150R2C, Hs100R1A, Pl200R1F, Jet100R1A, Lb104R1B, Lb104R1C, Lb104R1D, Lb104R1E, M2-M3R1, M2-M3R1D, Maj200R1B, Maj200R1D, Mas300R1F, Q1043R2A, Sar200R2A, Scs100R1A, Ss3000R1A Specifications Category: Circuit Boards Subcategory: Printed Circuit Boards (Pcb) 52518