KOHLER Highline Arc The Complete Solution 2-Piece 1.28 GPF Single Flush Round Toilet in White

Item # 307908573 | KOHLER Part # K-78253-0 | UPC Code 885612760692 | UNSPSC Code 30181505 | Catalog Page #295
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Product Overview

Trusted for years by professionals, Highline toilets are KOHLER bestselling toilet family. A brilliant blend of style and water efficiency, this Highline Arc toilet is distinguished by an elegant flared tank. Coupled with KOHLER powerful canister flush valve, there's no sacrificing performance for design. An innovative 1.28 Gal. flush setting provides significant water savings of up to 16,500 Gal. per year, compared to an old 3.5 Gal. toilet. This Complete Solution package includes everything necessary for installation and is available exclusively at The Home Depot.

  • 2-piece toilet
  • Round-front bowl offers an ideal solution for smaller baths and powder rooms
  • Comfort height feature offers chair-height seating that makes sitting down and standing up easier for most adults
  • 1.28 Gallons Per Flush (GPF)
  • Standard left-hand polished chrome trip lever included
  • Complete solution toilets provide everything you need in 1 box, including bowl, tank, slow-close toilet seat, cover, wax ring and floor hardware
  • Single-flush gravity uses the force of gravity and a precision-engineered tank, bowl and trap way to create a strong siphon during flushing
  • Class 5 flushing technology offers virtually plug-free performance and rinsing power for a clean bowl
  • Standard 12 in. rough-in
  • 3-bolt installation
  • Supply line not included
  • WaterSense


Bath Product Type
Bowl Shape
Certifications and Listings
ADA Compliant, ASME Certified, CSA Certified, EPA Approved
Flushing Type
Single Flush
Front Type
Complete Kit
Manufacturer Warranty
One-Year Limited Warranty
Vitreous China
Product Depth (in.)
Product Height (in.)
Product Weight (lb.)
Product Width (in.)
Standard Color Family


One-Year Limited Warranty