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.
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Fit checked Aug 11, 2026Manufacturer sources only for fit verification.
Measure the flush-valve opening before ordering.