KOHLER K-31615-RA Cimarron 1.28 gpf toilet tank with right-hand trip lever
KOHLER K-31615-RA Cimarron 1.28 gpf toilet tank with right-hand trip lever
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KOHLER K-31615-RA Cimarron 1.28 gpf toilet tank with right-hand trip lever

Toilets - KOHLER

Regular price
$146.25
Sale price
$146.25
Regular price
$195.00
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This Cimarron toilet tank features innovative AquaPiston technology, a patented flush engine that delivers a fast, powerful, and virtually plug-free flush. 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. Pair this tank with the K-31588 bowl for a complete Cimarron K-31621-RA elongated toilet.


  • 1.28 gpf (4.8 lpf).
  • Right-hand Polished Chrome trip lever.
  • Combines with the K-31588 bowl to create a complete K-31621-RA Cimarron elongated toilet.

Additional Resources:
Specification Sheet