Wellworth Classic 1.28 GPF Toilet Tank with Class Five Flush Technology

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An American classic, this Wellworth high-efficiency toilet tank reduces water consumption without compromising on flushing power. At 1.28 gallons per flush, this economical tank conserves up to 16,500 gallons of water per year compared to a 3.5-gallon toilet. Its streamlined style matches with a coordinated bowl for a complete toilet.

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Whats in the Box::

  • K-4436 Toilet Tank
  • Installation Instructions


  • 1.28 gallons per flush (gpf)
  • Standard left-hand Polished Chrome trip lever included
  • Supply line not included
  • Combines with the K-4197 bowl to create a complete K-3577 Wellworth toilet
  • Combines with the K-5393 bowl to create a complete K-5296 Highline® toilet
  • Coordinates with other products in the Wellworth collection
  • Single-flush gravity uses the force of gravity and a precision-engineered tank to create a strong siphon during flushing
  • Class Five® flushing technology offers virtually plug-free performance and rinsing power for a clean bowl

Product Dimensions:

  • Length: 8"
  • Height: 13"
  • Gallons Per Flush: 1.28