KOHLER K-3998-U Wellworth Two-piece elongated toilet, 1.28 gpf
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KOHLER K-3998-U Wellworth Two-piece elongated toilet, 1.28 gpf

KOHLER K-3998-U Wellworth Two-piece elongated toilet, 1.28 gpf

Wellworth toilets have been an American benchmark for style, innovation, and performance since 1936. This Wellworth high-efficiency toilet delivers significant water savings with a 1.28-gallon flush setting that saves up to 16,500 gallons per year, compared to an old 3.5-gallon toilet, without sacrificing flush power. This model includes an insulated tank liner to help prevent condensation on the outside of the tank, and an elongated shape for extra comfort.


  • Two-piece design
  • Elongated bowl offers added room and comfort
  • Left-hand Polished Chrome trip lever
  • Insuliner tank liner minimizes condensation on the tank
  • Combination consists of the K-4467-U tank and the K-4198 bowl
  • Coordinates with other products in the Wellworth collection
  • KOHLERs canister flush valve harnesses the natural force of gravity and optimizes flushing performance
  • Eligible for consumer rebates in some municipalities
  • 1.28 gpf (4.8 lpf)
  • 2-1/8" (54 mm) fully glazed trapway
  • Class Five canister optimizes the flow out of the tank, harnessing gravity and the natural powerful reducing cascade of water to increase the power and effectiveness of the flush

Additional Resources

Specification Sheet
Installation Guide
Parts Breakdown

Recommended Products/Accessories

KOHLER 1023457 Toilet Wax Ring And Hardware Kit
KOHLER 1265114 12" Toilet Supply Line
KOHLER K-23726 Drain treatment
KOHLER K-9379 Trip lever
KOHLER K-5420 Low-profile toilet bolt caps
KOHLER K-4636-RL ReadyLatch® Quiet-Close™ elongated toilet seat

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From $141.80

Original: $405.15

-65%
KOHLER K-3998-U Wellworth Two-piece elongated toilet, 1.28 gpf

$405.15

$141.80

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KOHLER K-3998-U Wellworth Two-piece elongated toilet, 1.28 gpf - Image 3
KOHLER K-3998-U Wellworth Two-piece elongated toilet, 1.28 gpf - Image 4
KOHLER K-3998-U Wellworth Two-piece elongated toilet, 1.28 gpf - Image 5
KOHLER K-3998-U Wellworth Two-piece elongated toilet, 1.28 gpf - Image 6
KOHLER K-3998-U Wellworth Two-piece elongated toilet, 1.28 gpf - Image 7

KOHLER K-3998-U Wellworth Two-piece elongated toilet, 1.28 gpf

Wellworth toilets have been an American benchmark for style, innovation, and performance since 1936. This Wellworth high-efficiency toilet delivers significant water savings with a 1.28-gallon flush setting that saves up to 16,500 gallons per year, compared to an old 3.5-gallon toilet, without sacrificing flush power. This model includes an insulated tank liner to help prevent condensation on the outside of the tank, and an elongated shape for extra comfort.


  • Two-piece design
  • Elongated bowl offers added room and comfort
  • Left-hand Polished Chrome trip lever
  • Insuliner tank liner minimizes condensation on the tank
  • Combination consists of the K-4467-U tank and the K-4198 bowl
  • Coordinates with other products in the Wellworth collection
  • KOHLERs canister flush valve harnesses the natural force of gravity and optimizes flushing performance
  • Eligible for consumer rebates in some municipalities
  • 1.28 gpf (4.8 lpf)
  • 2-1/8" (54 mm) fully glazed trapway
  • Class Five canister optimizes the flow out of the tank, harnessing gravity and the natural powerful reducing cascade of water to increase the power and effectiveness of the flush

Additional Resources

Specification Sheet
Installation Guide
Parts Breakdown

Recommended Products/Accessories

KOHLER 1023457 Toilet Wax Ring And Hardware Kit
KOHLER 1265114 12" Toilet Supply Line
KOHLER K-23726 Drain treatment
KOHLER K-9379 Trip lever
KOHLER K-5420 Low-profile toilet bolt caps
KOHLER K-4636-RL ReadyLatch® Quiet-Close™ elongated toilet seat

Product Information

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Description

Wellworth toilets have been an American benchmark for style, innovation, and performance since 1936. This Wellworth high-efficiency toilet delivers significant water savings with a 1.28-gallon flush setting that saves up to 16,500 gallons per year, compared to an old 3.5-gallon toilet, without sacrificing flush power. This model includes an insulated tank liner to help prevent condensation on the outside of the tank, and an elongated shape for extra comfort.


  • Two-piece design
  • Elongated bowl offers added room and comfort
  • Left-hand Polished Chrome trip lever
  • Insuliner tank liner minimizes condensation on the tank
  • Combination consists of the K-4467-U tank and the K-4198 bowl
  • Coordinates with other products in the Wellworth collection
  • KOHLERs canister flush valve harnesses the natural force of gravity and optimizes flushing performance
  • Eligible for consumer rebates in some municipalities
  • 1.28 gpf (4.8 lpf)
  • 2-1/8" (54 mm) fully glazed trapway
  • Class Five canister optimizes the flow out of the tank, harnessing gravity and the natural powerful reducing cascade of water to increase the power and effectiveness of the flush

Additional Resources

Specification Sheet
Installation Guide
Parts Breakdown

Recommended Products/Accessories

KOHLER 1023457 Toilet Wax Ring And Hardware Kit
KOHLER 1265114 12" Toilet Supply Line
KOHLER K-23726 Drain treatment
KOHLER K-9379 Trip lever
KOHLER K-5420 Low-profile toilet bolt caps
KOHLER K-4636-RL ReadyLatch® Quiet-Close™ elongated toilet seat