Kohler Highline Classic K-3493 toilet Review

Kohler Highline Classic K-3493 toilet Review

This Kohler single flush toilet was very good in overall performance.

This Kohler single flush toilet has

  • An elongated bowl.
  • A height is greater than 16″ from floor to rim (ADA compliant).
  • Seat not included
  • Excellent for solid waste removal

Kohler K-3493-0 Highline Classic Pressure Lite Comfort Height Elongated 1.6 gpf Toilet with Left-Hand Trip Lever, Less Seat, White

The Kohler Highline Classic K-3493 is part of the Toilet test program. In our lab tests, Toilet models like the Highline Classic K-3493 are rated on multiple criteria, such as those listed below.

Solid waste removal: The ability to move simulated waste through the bowl and trap.

Noise: Flush quietness without the seat.

Bowl cleaning: How well flushing cleaned the bowl’s front and sides.

 Solid waste removal 


  Bowl cleaning   


Very Good


Very Good

  • Vitreous china.
  • Elongated bowl.
  • Equipped with Sloan FLUSHMATE®– Sloan® Valve Company.
  • Polished chrome trip lever.
  • Less seat and supply.
  • 12″ (305 mm) rough-in.
  • 1.6 gpf (6.0 lpf).
  • 2-1/4″ (57 mm) glazed trap way.
  • 12″ (305 mm) x 10″ (254 mm) water area.
  • 30-1/8″ (765 mm) x 21-1/4″ (540 mm) x 31-1/4″ (794 mm).

 Resists soil and odor


 Resists drain line clogs


 Comfort height




 Gallons per flush




  • Excellent for solid waste removal


  • Poor for noise