Kohler 31615-RA-0 Cimarron Rev 360 128 Tank,RH



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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┬¼┬¿┬¼┬«ΓÇÜ├á├╢ΓêÜ├║ elongated toilet.


  • Single-flush gravity uses the force of gravity and a precision-engineered tank, bowl, and trapway to create a strong siphon during flushing.
  • AquaPiston┬¼┬¿┬¼┬«ΓÇÜ├á├╢ΓêÜ├║ canister allows water to flow out of the tank from all sides (360 degrees), increasing the power and effectiveness of the flush.
  • Flush valve's 3:2 ratio harnesses the natural force of gravity and optimizes flush performance.
  • Durable canister design has 90% less exposed seal material than a 3" flapper for leak-free performance.
  • Light-touch canister flush requires a lower actuation force than a flapper.

Notice to California Customers

  • WARNING: Cancer and Reproductive Harm ΓÇÜ├ä├╢ΓêÜ├æΓêÜΓêéΓÇÜ├á├╢ΓêÜ├½ΓÇÜ├á├╢┬¼┬« www.P65Warnings.ca.gov