Fluidmaster PRO57K 2-Inch Flush Valve Kit with Adjustable Flapper
The Fluidmaster PRO57K is a professional-grade flush valve kit designed for use with 2-inch flush valve toilet tanks. This kit provides reliable performance and long-term durability for toilet repairs and replacements. It includes all necessary components to replace a worn or faulty flush valve and restore proper flushing function.
Constructed from corrosion-resistant ABS plastic, the PRO57K is engineered for high-volume use and is suitable for both commercial and residential applications. The included adjustable PRO55 flapper allows for fine-tuning water consumption per flush, which can help improve efficiency without sacrificing performance.
Product Features
- Material: Heavy-duty ABS plastic body resists corrosion and wear
- Flapper: Adjustable PRO55 flapper allows customization of water volume per flush
- Chain: Stainless steel chain designed to prevent tangling and breakage
- Fasteners: Includes solid brass bolts, washers, and gasket for secure installation
- Compatibility: Fits most toilets with a 2-inch flush valve opening
- Warranty: Backed by a 5-year manufacturer warranty
Kit Includes
- Flush valve body
- PRO55 adjustable flapper
- Brass tank-to-bowl bolts and washers
- Flush valve-to-tank gasket
Installation Notes
- Designed for easy replacement of OEM flush valves in 2-inch tanks
- Requires basic hand tools for installation (wrench, screwdriver)
- Ensure tank is drained and disconnected from supply before installation
Recommended Applications
- Toilet repairs in commercial and residential plumbing systems
- Projects requiring adjustable water control and reliable sealing








