PRODUCT SPECIFICATIONS

Villeroy & Boch 5646-YY-XX

Source rating — not measured installation performanceRecorded rating (US gal/flush)Recorded rating: 1.2801.5
Chart generated from this record's EPA snapshot fields. Shared zero baseline; units shown above. This is not a measured flow or flush test.
Tank recordBowl record
Component identification schematic, not to scale. No installation dimensions or compatibility approval are implied.

Compare recorded specifications

Same source category and product or flush type. These are source-record comparisons, not compatible replacements or performance recommendations. Equal ratings do not make two models identical.

Historical EPA source fields; unknown values remain unknown
ParameterVilleroy & Boch 5646-YY-XXIcera 6251.128.xxPremier 1034395American Standard 3471128.XXX
Source model nameArchitecturaMalibu IINot suppliedHorizon
Rated flush volumevolume: 1.28 US gal/flushvolume: 1 US gal/flushvolume: 1.28 US gal/flushvolume: 1.28 US gal/flush
Flush typeSingleSingleSingleSingle
Source bowl model number5646-YY-XXNot suppliedN2442EB3061101R.XXX
Source tank model number7757 YY-XXNot suppliedN2442T4061428R.XXX
Flush mechanismGravityGravityGravityGravity

Model specifications

Recorded in the EPA directory snapshot of 2026-10-30
ParameterRecorded value
Source bowl model number5646-YY-XX
Brand as reportedVilleroy & Boch
Flush mechanismGravity
Flush typeSingle
Rated flush volumevolume: 1.28 US gal/flush
Source model nameArchitectura
Source model number5646-YY-XX
Source tank model number7757 YY-XX

Full and reduced flush volumes remain separate. Counts of uses are needed to estimate consumption; compatibility and installation conditions are not provided.

Source: EPA WaterSense directory. Sources & Methods.

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Same category and recorded type; these are navigation examples, not recommended substitutes or compatibility matches.

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