{"product_id":"fluidmaster-504bx-replacement-toilet-flapper","title":"Fluidmaster 504BX Replacement Toilet Flapper","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe FLUIDMASTER 504BX is a replacement toilet flapper designed to restore proper flush valve operation in residential toilets. The flapper seats against the flush valve seat at the base of the tank, creating a watertight seal that holds water until the flush handle is activated. When the seal degrades over time, toilets run continuously or fail to flush fully. Replacing the flapper is a straightforward repair that plumbers and capable DIYers perform without specialized tools. The 504BX ships as a single piece and is a direct drop-in replacement for compatible flush valve assemblies.\u003c\/p\u003e\u003cp\u003eThis flapper is suited for standard residential toilet tank applications. It is installed during routine maintenance calls when a running toilet is traced to a worn or warped flapper seal. The single-unit pack is appropriate for individual repairs. Plumbing contractors often stock this part for service calls involving common tank-type toilets in residential and light commercial settings.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement flapper for compatible toilet flush valves\u003c\/li\u003e\n\u003cli\u003eRestores watertight seal to stop running toilet conditions\u003c\/li\u003e\n\u003cli\u003eSingle-piece unit ready for immediate installation\u003c\/li\u003e\n\u003cli\u003eNo special tools required for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement for compatible residential toilet flush valve assemblies. Refer to the existing flush valve markings or the toilet manufacturer documentation to confirm fitment before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a licensed plumber or a qualified DIYer familiar with toilet tank components. Shut off the supply valve at the wall before beginning work and flush the tank to drain it. Unhook the old flapper from the overflow tube ears and disconnect the chain from the flush lever before installing the new unit. Follow all applicable IPC guidelines for potable water system repairs.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Toilet Flapper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelling Unit\u003c\/strong\u003e: Single\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: FLUIDMASTER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 504BX\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FLUIDMASTER","offers":[{"title":"Default Title","offer_id":68061517283634,"sku":"504BX","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/da4407dccc8cbddbf40c6a7dbdbba67b.jpg?v=1793043992","url":"https:\/\/voomisupply.com\/products\/fluidmaster-504bx-replacement-toilet-flapper","provider":"Voomi Supply","version":"1.0","type":"link"}