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The AMERICAN STANDARD 7381193-200.0070a is a 3-inch toilet tank flapper set designed as a replacement repair part for compatible American Standard toilet tank assemblies. This flapper set seals the flush valve opening at the base of the toilet tank, controlling the release of water into the bowl during each flush cycle. When the original flapper wears, warps, or no longer seats properly, the result is a running toilet and wasted water. Replacing the flapper is one of the most common toilet repair tasks performed by plumbers and knowledgeable service technicians. This unit is sourced from the American Standard Cadet Pro product family and is identified under Series 540A.
This flapper set is suited for residential toilet tank repair applications. It is part of the American Standard Fittings Repair Parts product line and is intended as a direct replacement component. The 7-inch length reference in the product designation relates to the flapper assembly configuration for proper fitment in the applicable tank. Install scenarios typically involve an existing American Standard toilet tank requiring flapper replacement due to wear or seal failure.
Designed as an OEM-style replacement flapper set for compatible American Standard Cadet Pro toilet tank assemblies within the Series 540A product family. Refer to the original tank model documentation to confirm flapper seat diameter before installation.
Installation is typically performed by a licensed plumber or qualified service technician. Shut off the water supply valve at the base of the toilet and flush the tank to drain residual water before removing the old flapper. Inspect the flush valve seat for mineral buildup or damage that could prevent a proper seal. Follow all applicable local plumbing codes, including IPC guidelines, when performing toilet tank repairs.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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