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H2Optimum® Two-Piece 1.1 gpf/4.2 Lpf Standard Height Elongated Toilet Less Seat // WHITE // 170114_P-288CA114020_0_CDNwebp.webp

H2Optimum® Two-Piece 1.1 gpf/4.2 Lpf Standard Height Elongated Toilet Less Seat // WHITE // 278093_Ecomm_SiloFront_288CA114.020_0001_OCTOBER2025_0_CDNwebp.webp

H2Optimum® Two-Piece 1.1 gpf/4.2 Lpf Standard Height Elongated Toilet Less Seat // WHITE // 278100_Ecomm_SiloLeft_288CA114.020_0001_OCTOBER2025_0_CDNwebp.webp

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H2Optimum® Two-Piece 1.1 gpf/4.2 Lpf Standard Height Elongated Toilet Less Seat // WHITE // 278116_Ecomm_SiloSide_288CA114.020_0001_OCTOBER2025_0_CDNwebp.webp

H2Optimum® Two-Piece 1.1 gpf/4.2 Lpf Standard Height Elongated Toilet Less Seat // WHITE // 176856_BrandStory_Infographic_Bathroom_0001_JUL2025_1_CDNwebp.webp

H2Optimum® Two-Piece 1.1 gpf/4.2 Lpf Standard Height Elongated Toilet Less Seat // WHITE // 264992_H2Optimum_Infographic_288CA114_0001_May2025_1_CDNwebp.webp

H2Optimum® Two-Piece 1.1 gpf/4.2 Lpf Standard Height Elongated Toilet Less Seat // WHITE // 176854_Trapway2in_Infographic_Generic_0001_JUL2023_1_CDNwebp.webp

H2Optimum® Two-Piece 1.1 gpf/4.2 Lpf Standard Height Elongated Toilet Less Seat // WHITE // 176857_PowerWash_Infographic_Generic_0001_JUL2023_0_CDNwebp.webp

H2Optimum® Two-Piece 1.1 gpf/4.2 Lpf Standard Height Elongated Toilet Less Seat // WHITE // 187734_EverClean_Infographic_ToiletOnly_0001_MAR2025_2_CDNwebp.webp

H2Optimum® Two-Piece 1.1 gpf/4.2 Lpf Standard Height Elongated Toilet Less Seat // WHITE // 249896_1Toilet_Infographic_Generic_0001_NOV2024_1_CDNwebp_d7969592-0813-4416-afeb-36b79eba9fef.webp

H2Option/H2Optimum / Other Dual Flush

H2Optimum® Two-Piece 1.1 gpf/4.2 Lpf Standard Height Elongated Toilet Less Seat

Model: 288CA114.020

Exceptional water savings: Uses just 1.1 gallons per flush
EverClean® antimicrobial surface: Protects against bacteria
Cleaner bowl: PowerWash® rim scrubs the bowl with every flush

Finish: White

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Ultra-high efficiency: Optimal water savings with a 1.1 gpf flush rate
WaterSense® certified: Meets EPA WaterSense criteria, guaranteeing proven performance and verified water conservation
Cleaner, more hygienic design: Features EverClean® antimicrobial surface to protect against bacteria, a PowerWash® rim that scrubs the bowl, and a sanitary dam on the bowl to prevent liquid and dirt from accumulating where the tank and bowl meet
Quality two-piece construction: Built from durable vitreous china and backed by a limited lifetime warranty on the chinaware
Please note: Seat is sold separately

The American Standard H2Optimum siphonic elongated toilet offers high-efficiency without sacrificing performance. It uses just 1.1 gpf/4.2 Lpf, meaning maximum water savings for your home without ever compromising on powerful flushing performance. Enjoy the extra comfortable elongated design, perfect for the whole family. Maintenance is a breeze thanks to the EverClean® antimicrobial surface that protects against mold, mildew, odor- and stain-causing bacteria, keeping your toilet cleaner, longer. Plus, the PowerWash® rim scrubs the bowl with every flush. Seat sold separately.

Resource

Spec Sheet Installation Guide

Style Specifications

Features	Water Efficient
Item Shape	Bowl Shape: Elongated
Toilet Type	Two Piece
Warranty	5 Year Limited Warranty

Technical Specifications

Flush Valve Size	2 in
Flush Technology	Gravity Fed
Flushing Type	Single Flush
GPF Maximum	1.1 gpf
Tank Included	Yes
Insulated Toilet Tank	No
Toilet Seat Included	No
Toilet Trapway Diameter	50.80 mm
Toilet Type	Two Piece
Bidet Spray Type	Yes
Everclean	Yes
No. of Flush Valves	1