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The FLUIDMASTER pro57 is a Pro Series adjustable toilet flush valve designed as a complete replacement unit for standard 2-inch toilet tank configurations. It ships as a kit that includes the flush valve body and a flapper with a chain float, allowing the technician to fine-tune the tank water level without additional parts. The valve body and flapper are engineered to resist chlorine and hard water degradation, extending service life in municipal water supplies where chemical treatment or mineral content would shorten the lifespan of standard components. A kink-free stainless steel flapper chain is included. This is a plumber-grade replacement suited for residential toilet service calls.
This valve fits toilets with 2-inch flush valve openings, covering a wide range of residential tank-style toilets. It is appropriate for service work where the existing flush valve is leaking, running continuously, or failing to seal properly after normal wear. The adjustable design accommodates variation in tank depth and water level requirements without cutting or shimming. Plumbers and handymen performing toilet rebuilds will find the included flapper chain float useful for setting water volume per flush to meet water-conservation requirements in low-flow retrofit applications.
Designed as an OEM-style replacement for residential tank-style toilets with 2-inch flush valve openings.
Installation is performed by a licensed plumber or qualified service technician. Shut off the supply valve at the wall and flush the toilet to drain the tank before removing the old valve. Follow all applicable local plumbing codes, including IPC requirements for water-conserving fixtures where applicable. Do not overtighten the locknut securing the valve to the tank to avoid cracking the porcelain.
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