High Efficiency Toilets (HETs) | Drainline Studies | MaP and UNAR | Plumbing Standards | Flappers & Flush Valve Seals
ULTRA-LOW-FLUSH TOILETS (ULFTs-1.6-gpf)
- Testing of Popular Flushometer Valve/Bowl Combinations (Commercial) (2005)
- Performance Testing of Wall-Mount Siphon-Jet Flushometer Toilet Fixtures (Commercial) (2003)
- Jordan Valley (Utah) Study of ULF & HE Toilet Fixtures (2003)
- NAHB Research Center Low-Flow Toilet Study (2002)
- Customer Satisfaction Survey (gravity-fed residential toilets) (1999)
- Long-term Durability of Toilet Fixtures (2001)
- Testing of Toilet Fixtures Against Proposed National Standards (2000)
- Functioning of Aging ULF Toilets in Tucson AZ (2000)
- Toilet Flush Volume Study (2001)
- Effectiveness of Data Logging Residential Water Meters to Identify and Quantify Toilet Flush Volumes: A Pilot Study (2004)