Skip to content
Appointments are recommended at all KOHLER Stores—get expert help without the wait!
Appointments are recommended

KOHLER K-5172 San Souci One-piece compact elongated toilet with concealed trapway, 1.28 gpf

SKU K-5172-0
Original price $1,066.50
Original price $1,066.50 - Original price $1,594.45
Original price $1,066.50
Current price $799.87
$799.87 - $1,195.83
Current price $799.87
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
Low stock
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Color: White
 
More payment options

The San Souci one-piece toilet offers a sleek, contemporary design with a convenient chair-like height and elongated bowl for comfortable use. This toilet 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.


  • One-piece toilets integrate the tank and bowl into a seamless, easy-to-clean design
  • Compact elongated bowl offers added comfort while occupying the same space as a round-front bowl
  • Low-profile design
  • Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults
  • 1.28 gpf (4.8 lpf)
  • Concealed trapway and Clean Caps low-profile bolt caps facilitate easier cleaning and enhance design
  • Includes Reveal Quiet-Close seat
  • Left-hand Polished Chrome trip lever
  • Easy-to-flush canister design requires less force to actuate than a 3" (76 mm) flapper, and has 90% less exposed seal material which resists conditions that cause wear, tear, shrinkage and swelling
  • Eligible for consumer rebates in some municipalities
  • Quiet-Close compact elongated lid and seat prevents slamming
  • 2-1/8" (54 mm) fully glazed trapway

Additional Resources:
Spec Sheet
Installation Instructions
Parts Sheet

Recommended and Optional Accessories:
KOHLER K-4108 PureWash E750 Elongated bidet toilet seat with remote control
KOHLER K-9171-L San Souci Trip lever for K-5172
KOHLER K-23726 Drain treatment
KOHLER K-30780 Carbyne Quiet-Close elongated toilet seat
KOHLER K-4008 Reveal Quiet-Close elongated toilet seat

Compare products

0 of 3 items selected

Select first item to compare

Select second item to compare

Select third item to compare

Compare