Duplex Board - for topsides with temp. control knob ("phone plug" type connection for topside panel).

Replaces 1900R1B, 51230, 6300R1A, 70R1A, 70R1F, 70R1H, B120DPR1B, B120DPR1C, B120DPR1D, DUB120DPC, DUPLEXR1A, FW100R1A, FW100R1B, GC100R1A, H50R1B, H50RIF, JEM400R1A, JEM400R1B,
JEM400R1C, JEM400R2A, MAS100R1B, MTSIR1A, MTSIR1E, P2R1A, Q1002R1B, SS23BR1B, SSR1A, SSR1B, SSR1C, SSR1D, ZX500R1A, BAL51230, 611310, 9710-10.