H2Option® Two-Piece Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf Standard Height Elongated Toilet With Seat and Wax Ring // WHITE // 249225_H2Optimum_SiloRight_606CA002.020_3706216.020_4133A218.020_5503A00B.020_738519-100.0070A_0002_APRIL2024_CDNwebp.webp

[4133A218.020] H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank - White

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // WHITE // 71390_B-2886216020_4133A218020_CDNwebp.webp

[4133A518.020] H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Lined Tank - White

[4133A218.021] H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank - White

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // BONE // 72558_B-4133A218021_CDNwebp.webp

[4133A218.222] H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank - White

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // LINEN // 72560_B-4133A218222_CDNwebp.webp

Compare

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // WHITE // 249225_H2Optimum_SiloRight_606CA002.020_3706216.020_4133A218.020_5503A00B.020_738519-100.0070A_0002_APRIL2024_CDNwebp_1c873dc2-3d24-4dfb-8833-61a68694f2ce.webp

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // WHITE // 55805_4133A218020_0_CDNwebp.webp

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // WHITE // 55807_4133A218020_1_0_CDNwebp.webp

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // WHITE // 55809_4133A218020_2_0_CDNwebp.webp

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // WHITE // 262813_DualFlush_Infographic_Generic_0001_May2025_0_CDNwebp.webp

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // BONE // 55812_4133A218021_0_CDNwebp.webp

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // BONE // 55813_4133A218021_1_0_CDNwebp.webp

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // BONE // 55815_4133A218021_2_0_CDNwebp.webp

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // BONE // 262813_DualFlush_Infographic_Generic_0001_May2025_0_CDNwebp.webp

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // LINEN // 55817_4133A218222_0_CDNwebp.webp

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // LINEN // 55820_4133A218222_1_0_CDNwebp.webp

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank // LINEN // 55823_4133A218222_2_0_CDNwebp.webp

H2Option/H2Optimum / Other Dual Flush

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank

Model: 4133A218.020

Saves water: Choose light 0.92 gpf or full 1.28 gpf
Tank only: Pair with H2Option bowl, sold separately
EverClean® antimicrobial surface: Protects against bacteria

Finish: White

View full details

Compatibility: Pair with H2Option bowl, sold separately
Ultra high-efficiency: Choose a light flush using 0.92 gpf or a full flush using 1.28 gpf for heavier removal
WaterSense certified
Handy push-button activation: Chrome-plated actuator is located on the lid for easy access
Antimicrobial surface: EverClean® protects against mold, mildew, odor- and stain-causing bacteria
Buy with confidence: Limited lifetime warranty on ceramics
305mm (12") rough-in

The H2Option Dual Flush Toilet Tank from American Standard offers 2 flush options to conserve water, when paired with coordinating H2Option bowl, sold separately. Choose 0.92 gpf for a lighter flush that uses less water than the more robust flush using 1.28 gpf. This H2Option dual flush tank is made of vitreous china for lasting durability.

Resource

Spec Sheet

Style Specifications

Toilet Type	Tank Only
Warranty	Limited Lifetime Warranty

Technical Specifications

Flush Valve Size	2 in
Flush Technology	Flapper/Piston
Flushing Type	Dual Flush
GPF Maximum	1.6 gpf
GPF Minimum	1.1 gpf
Insulated Toilet Tank	No
Toilet Type	Tank Only
Bidet Spray Type	Yes
Everclean	Yes
No. of Flush Valves	1

Other Specs

Warranty

Limited Lifetime Warranty

Download Spec Sheets

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank

H2Option® Dual Flush 1.28 gpf/4.8 Lpf and 0.92 gpf/3.5 Lpf 12-Inch Rough Tank

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