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Kohler K-3979-0 Highline Comfort Height 1.6 gpf Toilet, White

TLDR Review: Kohler Highline Toilet K-3979-0

By ShopSavvy Team

Published: April 3rd, 2025

Pros

•The dual flush feature offers exceptional water efficiency, potentially reducing water costs within six months.
•Advanced piston design ensures it never clogs, eliminating the need for a plunger.
•Simple to clean and components can be serviced in under 30 seconds.
•Comfortable for use by people of all ages, praised even by families with young children.
•Multiple installations have worked flawlessly, proving consistent positive feedback.
•Features a larger tank that enhances the flushing power.
•Sidounted handle is a preferred design feature for many users.
•Powerful flush performance, typically requiring only one flush with no clogs reported.
•Comfort height design is beneficial for users, especially during nighttime.
•Users have reported overall satisfaction with the design and functionality, considering additional features like a bidet could enhance usability.

Cons

•Toilets purchased online often do not include a wax ring and seat, unlike local purchases.
•Discrepancies in the online portrayal of the color versus the actual product received, which appeared ofhite instead of the promised Bisquit.
•The design of oblong drainage holes may require specific plungers.

Bottom Line

The Kohler K-3979-0 Highline Comfort Height Toilet is a reliable choice for those looking to enhance their bathroom experience with water-efficient features and a powerful flush. Its advanced design prevents clogs, making it a practical option for families. While color discrepancies and missing installation components may arise with online purchases, the overall performance and comfort of this model make it a highly recommended choice.

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How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 11 retailers to give you the short version.