Flapper
Adjustable replacement for most 2-inch flush valves.
✓ Fit checked with manufacturer source
✓ Manufacturer-backed fit available
What fits my Fluidmaster 2 inch flush valve?
Manufacturer-backed replacements for the Fluidmaster 2 inch flush valve include Fluidmaster 502 (flapper). Fit was checked against the manufacturer sources linked below.
Verified fitFlapper · Fluidmaster 502
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Fit checked Aug 11, 2026Manufacturer sources only for fit verification.
Measure the flush-valve opening before ordering.
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Compatibility scope
A verified match on this page applies to the replacement need shown. Manufacturers can use suffixes, revisions, production dates, or platform details that change other parts. If your product label has extra characters, use the full model number before buying.