2 Inch Toilet Flush Valve Replacement, Compatible with Water Ridge Dual Flush Valve Kit for One-Piece Toilets, Top Push Button, Fits TOTO THU338, Toilet Repair Part with Leak-Free Seals

Key Features

• ONE-PIECE TOILET FIT: Designed for 2-inch top push-button one-piece toilets only, this dual flush valve replacement kit fits drain openings from 2.56–2.95 inches (65–75 mm) and tank heights of 9.5–14.6 inches (240–370 mm), including the ceramic lid. Tip: measure your tank height before ordering to ensure a perfect fit
• WIDE COMPATIBILITY: Direct structural replacement for TOTO THU338 / THU338N, and compatible with Glacier Bay, Water Ridge, Project Source, AquaSource, Deer Valley, WOODBRIDGE, HOROW, Fine Fixtures, WinZo, and more. Same design, same fit — drop-in replacement with no tools or adjustments required.Please confirm button rodlength before purchase
• DUAL FLUSH WATER SAVING: This toilet flush valve features an adjustable dual-flush system for partial or full flush as needed. Partial flush delivers 2.7–3.17 L/s for liquid waste, while full flush provides 2.12–2.52 L/s for solid waste, reducing water use without sacrificing flushing power
• STOP RUNNING TOILETS FOR GOOD: Premium rubber seals and a flexible silicone flap create a tight, lasting seal that eliminates leaks, backflow, and constant refilling. Aging-resistant materials maintain performance through years of daily use — fewer repairs, lower water bills
• STRONG & CERTIFIED: The reinforced ABS valve body and metal locking base provide strong stability and resist loosening over time. This toilet flush valve is cUPC certified, meeting U.S. plumbing safety and quality standards for reliable everyday use