Mix flour, soda and salt; set aside. In large bowl cream butter and sugar. Beat eggs until light and fluffy. Beat in vanilla and bananas. Add flour mixture; beat just until blended. Add water; beat just to blend. Stir in walnuts. Turn into greased 9x5 inch loaf pan. Bake in preheated 350 degree oven 1 hour and 10 minutes or until pick inserted in center comes out clean. Cool in pan on rack 5 minutes. Turn out on rack to cool completely
