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KOHLER K-3940 Kathryn Comfort Height One-piece compact elongated 1.28 gpf chair height toilet with slow close seat

  • $1,031.55
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Capture the classic look of the 1930s with the Kathryn collection's angular lines and molded edges. This one-piece toilet features a convenient chair-like height and compact elongated bowl for comfortable use, as well as a concealed trapway for sleek looks and simple cleaning. A 1.28-gallon flush provides significant water savings of up to 16,500 gallons per year, compared to a 3.5-gallon toilet, without sacrificing performance. This tank features innovative AquaPiston technology, a patented flush engine that delivers a fast, powerful, and virtually plug-free flush.


  • One-piece toilets integrate the tank and bowl into a seamless, easy-to-clean design.
  • Compact elongated bowl offers added room and comfort.
  • Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults.
  • 1.28 gpf (4.8 lpf).
  • Concealed trapway and Clean Caps facilitate easier cleaning and enhanced design.
  • Left-hand Polished Chrome trip lever.
  • Glenbury Quiet-Close seat with Quick-Release functionality allows seat to close quietly and quickly unlatch from the toilet for easy removal and convenient cleaning.
  • Coordinates with other products in the Kathryn collection.
  • Standard 12" (305 mm) rough-in.

Additional Resources:
Specification Sheet

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