Fixture Flow Atlas
Menu
Water use calculator
HomeTank-type toilets

PRODUCT SPECIFICATIONS

Western aB772+T7

Source rating — not measured installation performanceRecorded rating (US gal/flush)Recorded rating: 101
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
ParameterWestern aB772+T7Western B722+T7ULFPremier 1034395American Standard 3471128.XXX
Source model nameNot suppliedNot suppliedNot suppliedHorizon
Rated flush volumevolume: 1 US gal/flushvolume: 1 US gal/flushvolume: 1.28 US gal/flushvolume: 1.28 US gal/flush
Flush typeSingleSingleSingleSingle
Source bowl model numberaB772B722N2442EB3061101R.XXX
Source tank model numberT7T7ULFN2442T4061428R.XXX
Flush mechanismGravityGravityGravityGravity

Model specifications

Recorded in the EPA directory snapshot of 2026-10-30
ParameterRecorded value
Source bowl model numberaB772
Brand as reportedWestern
Flush mechanismGravity
Flush typeSingle
Rated flush volumevolume: 1 US gal/flush
Source model nameNot supplied
Source model numberaB772+T7
Source tank model numberT7

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.

Related category guides and research · All guides · Explore a shower and toilet use scenario