Buyer receives 1 each Beechcraft Twin Bonanza U8A Model 50 Thermostatic Switch P/N 112447B-RC-C5 same as Fenwal P/N 17320-27. New Surplus with yellow tag as shown refer to PG 453 FIG 235 (TN55-1510-201-20P) Twin Seminole U-8D, U-8F, U-8G, RU-8D. Rare find low start price only one I can find. Won't last. Please contact with any questions.