3 Inch Dual Flush Valve Replacement Kit for One-Piece Dual Flush Toilets, Top Push Button Toilet Repair Kit with Fill Valve, Fix Leaks, Running Water & Weak Flush, Reliable Sealing, Water Saving

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• ONLY FITS 3-INCH One-PIECE DUAL FLUSH TOILETS – Designed for one-piece dual flush toilets with a top push button only and not compatible with 2-piece toilets. Fits flush valve openings from 3.2" to 3.7" and tank lid button hole diameters from 1.9" to 2.2". The telescopic overflow tube adjusts from 8.6" to 13" to better match different tank profiles. Compatible with select models from brands such as Glacier Bay, AquaSource, Project Source, HOROW, DEERVALLEY, TOTO, Kohler, and Water Ridge when dimensions and structure match. Please confirm your toilet type and measurements before ordering
• FIX LEAKS, RUNNING WATER, WEAK FLUSHES & BROKEN BUTTON ISSUES – This dual flush valve replacement kit is designed to solve common toilet problems caused by worn internal parts. It helps stop leaks into the bowl, eliminate constant running water and ghost flushing, restore stronger and more consistent flush performance, and fix misaligned or unresponsive flush buttons. With a new flush valve, fill valve, and sealing components working together, it restores your toilet to more reliable, like-new operation without replacing the whole system
• ADJUSTABLE HEIGHT DESIGN FOR FLEXIBLE FIT – Built to fit more One-piece toilet tanks, this toilet tank replacement kit features an adjustable fill valve that extends from 8" to 13" and a telescopic overflow tube that adjusts from 8.6" to 13" / 22–33 cm. Unlike fixed overflow tubes that may require cutting when too long, the no-cut telescopic design helps reduce wrong cuts, fit issues, and installation frustration while supporting a proper water level for stable flushing performance
• DUAL FLUSH WATER-SAVING UPGRADE FOR OLDER 1-PIECE DUAL FLUSH TOILETS – Use half flush for liquids and full flush for solids to improve water efficiency without sacrificing reliable flushing performance. Half flush uses about 0.8–1.0 GPF, while full flush uses about 1.6 GPF, making this a practical water-saving upgrade for older One-piece dual flush toilets and households looking to reduce water waste and lower utility bills over time
• DURABLE ABS MATERIALS, STAINLESS STEEL PARTS & RELIABLE SEALING – Built with high-quality ABS plastic components and stainless steel parts selected for toilet valve applications, this dual flush valve kit is designed to resist corrosion, handle repeated daily use, and perform reliably under varying water pressure conditions. The extra-thick rubber seals help reduce leaks and support long-term, dependable performance after proper installation