PRODUCT SPECIFICATIONS

GERBER GRS48251E

GERBER brand profile & all models

Source rating — not measured installation performanceRecorded rating (US gal/flush)Recorded rating: 0.801
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 GRS48251EGERBER GTB20958Premier 1034395American Standard 3471128.XXX
Source model nameViper Select™MAXWELL®Not suppliedHorizon
Rated flush volumevolume: 0.8 US gal/flushvolume: 1.28 US gal/flushvolume: 1.28 US gal/flushvolume: 1.28 US gal/flush
Flush typeSingleSingleSingleSingle
Source bowl model numberGWS21528GMX21958N2442EB3061101R.XXX
Source tank model numberGRS48209G0028990N2442T4061428R.XXX
Flush mechanismGravityGravityGravityGravity

Model specifications

Recorded in the EPA directory snapshot of 2026-10-30
ParameterRecorded value
Source bowl model numberGWS21528
Brand as reportedGERBER
Flush mechanismGravity
Flush typeSingle
Rated flush volumevolume: 0.8 US gal/flush
Source model nameViper Select™
Source model numberGRS48251E
Source tank model numberGRS48209

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.

Other source models to examine

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

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