Fixture Flow Atlas
Menu
Water use calculator
HomeTank-type toilets

PRODUCT SPECIFICATIONS

Niagara C33.000.11

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
ParameterNiagara C33.000.11Niagara C11.301.01Icera 6251.128.xxPremier 1034395
Source model nameShadowLibertyMalibu 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 number33.0204.0111.0203.01Not suppliedN2442EB
Source tank model number33.0302.01LCH11.0302.01RWHNot suppliedN2442T
Flush mechanismGravityGravityGravityGravity

Model specifications

Recorded in the EPA directory snapshot of 2026-10-30
ParameterRecorded value
Source bowl model number33.0204.01
Brand as reportedNiagara
Flush mechanismGravity
Flush typeSingle
Rated flush volumevolume: 1.28 US gal/flush
Source model nameShadow
Source model numberC33.000.11
Source tank model number33.0302.01LCH

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