AMERICAN STANDARD WASTE AND OVERFLOW OLD STYLE LINKAGE KIT WITH PLATE LINKAGE AND SPRING 42-7166

American Standard Waste and Overflow Old Style Linkage Kit featuring plate linkage and spring mechanism (Model 42-7166). This replacement kit restores proper drain control and pop-up stopper operation in vintage bathroom fixtures. The linkage assembly coordinates waste and overflow functions, preventing water backup while maintaining reliable drainage performance. Engineered for compatibility with American Standard's classic bathtub designs. Essential for plumbers servicing older installations or homeowners restoring period bathrooms.