Elongated Two Piece Toilet, 1.28GPF, Biscuit

Kohler Cimarron® Comfort Height® Two-Piece Toilet – Model 31621-96, Biscuit

The Kohler 31621-96 Cimarron® is a two-piece elongated toilet designed for efficient flushing performance and accessible use. Featuring Kohler's Revolution 360® swirl flush combined with the AquaPiston® canister valve, this unit ensures full bowl coverage and consistent waste removal using only 1.28 gallons per flush. The Comfort Height® bowl provides ADA-compliant seating when installed with a compliant seat, suitable for both residential and commercial applications.

The 31621-96 model includes a left-hand trip lever and is finished in biscuit. It is configured for standard 12" rough-in installations and includes a 2-1/8" fully glazed trapway for effective drainage. Kohler’s two-bolt omni-directional tank-to-bowl system is designed to streamline installation and alignment in the field.

Key Product Features

• Flush Volume: 1.28 GPF; EPA WaterSense® certified
• Flushing System: Revolution 360® swirl flush with AquaPiston® canister
• Bowl Height: 16-1/2" (Comfort Height®)
• Trapway Diameter: 2-1/8", fully glazed
• Rough-In: 12-inch standard
• Tank-to-Bowl Connection: Two-bolt omni-directional mounting system
• Bowl Shape: Elongated
• Finish: Biscuit (Model 31621-96)

Overall Dimensions

• Height: 31-1/4"
• Width: 18-5/8"
• Depth: 28-15/16"

Installation Considerations

Standard floor-mount configuration with a 12" rough-in. Installation is simplified by Kohler’s tank-to-bowl alignment system, but proper leveling and sealing remain essential. For code compliance and performance assurance, installation should be performed by a licensed plumber.

Intended Applications

The 31621-96 is suited for renovation, new construction, or retrofit applications requiring water conservation and ADA accessibility. Its efficient flush system minimizes service calls and reduces water usage without compromising performance, making it suitable for residential, multifamily, and institutional use.