Main product image of San Souci One-piece Round-front Toilet, 1.28 GPF (Thunder Grey)

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San Souci One-piece Round-front Toilet, 1.28 GPF (Thunder Grey)

Name: San Souci One-piece Round-front Toilet, 1.28 GPF (Thunder Grey)
Brand: Kohler
SKU: K-4007-58
Price: 1344.33 USD
Availability: OutOfStock

Brand:

Kohler

SKU:

K-4007-58

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San Souci One-piece Round-front Toilet, 1.28 GPF (Thunder Grey)

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K-4007-58 has been discontinued

Discontinued January 5, 2026

This product was discontinued by the manufacturer.

MANUALS (2)

Product Highlights

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Floor Mount

Vitreous China

Round

16-3/4" Width

Thunder Grey

Description

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San Souci One-piece round-front toilet, 1.28 gpf

With sleek, contemporary curves and a low-profile silhouette, KOHLER San Souci makes a bold statement in any bathroom. The one-piece round-front design features a compact tank that flows seamlessly into the bowl, saving space while enhancing modern decor. Its efficient 1.28-gallon AquaPiston flush delivers powerful performance while saving up to 16,500 gallons of water per year compared to older 3.5-gallon toilets. The included Quiet-Close seat prevents slamming and makes cleaning and installation effortless.
One-piece toilets integrate the tank and bowl into a seamless, easy-to-clean design
Round-front bowl offers an ideal solution for smaller bathrooms and powder rooms
Low-profile design
Left-hand Polished Chrome trip lever
Includes Reveal Quiet-Close seat
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
1.28 gpf (4.8 lpf)
2-1/8" (54 mm) fully glazed trapway

Specs

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Application:	Residential
Installation Type:	Floor Mount
Material:	Vitreous China
Gallons Per Flush:	1.28
Product Type:	One Piece Toilet
Series:	San Souci
Shape:	Round
Width (Inches):	16-3/4"
Color:	Thunder Grey