Fixture Flow Atlas
Menu
Water use calculator
HomeTank-type toilets

PRODUCT SPECIFICATIONS

Hennessy & Hinchcliffe N771714E-DF-HH

Source rating — not measured installation performanceRecorded rating (US gal/flush)Full flush: 0.95Reduced flush: 0.501
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
ParameterHennessy & Hinchcliffe N771714E-DF-HHOVE DECORS ForresOVE DECORS DerryOVE DECORS Tuga
Source model nameProficiencyNot suppliedNot suppliedNot supplied
Rated flush volumefull: 0.95 / reduced: 0.5 US gal/flushfull: 1.6 / reduced: 1.1 US gal/flushfull: 1.6 / reduced: 1.1 US gal/flushfull: 1.6 / reduced: 1.1 US gal/flush
Flush typeDualDualDualDual
Source bowl model numberN7717EB-DFNot suppliedNot suppliedNot supplied
Source tank model numberN7714T-DFNot suppliedNot suppliedNot supplied
Flush mechanismGravityGravityGravityGravity

Model specifications

Recorded in the EPA directory snapshot of 2026-10-30
ParameterRecorded value
Source bowl model numberN7717EB-DF
Brand as reportedHennessy & Hinchcliffe
Flush mechanismGravity
Flush typeDual
Rated flush volumefull: 0.95 / reduced: 0.5 US gal/flush
Source model nameProficiency
Source model numberN771714E-DF-HH
Source tank model numberN7714T-DF

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