PRODUCT SPECIFICATIONS

Gerber GWS20914(WS-20-914)

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
ParameterGerber GWS20914(WS-20-914)Gerber GWS20918(WS-20-918)Icera 6251.128.xxPremier 1034395
Source model nameMAXWELL®MAXWELL®Malibu IINot supplied
Rated flush volumevolume: 1.28 US gal/flushvolume: 1.28 US gal/flushvolume: 1 US gal/flushvolume: 1.28 US gal/flush
Flush typeSingleSingleSingleSingle
Source bowl model numberGMX21962(MX-21-962)GMX21928(MX-21-928)Not suppliedN2442EB
Source tank model numberG0028994(28-994)G0028990(28-990)Not suppliedN2442T
Flush mechanismGravityGravityGravityGravity

Model specifications

Recorded in the EPA directory snapshot of 2026-10-30
ParameterRecorded value
Source bowl model numberGMX21962(MX-21-962)
Brand as reportedGerber
Flush mechanismGravity
Flush typeSingle
Rated flush volumevolume: 1.28 US gal/flush
Source model nameMAXWELL®
Source model numberGWS20914(WS-20-914)
Source tank model numberG0028994(28-994)

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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