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    Commercial 1.28 GPF Manual Toilet Flush Valve

    Reliable piston technology delivers consistent performance and accurate discharge across a full range of incoming water pressures.


    • Engineered for optimal performance with Kohler 1.28 GPF toilet
    • Covered under a limited one year warranty
    • Reliable piston valve technology
    • Chloramine resistance on all rubber components exposed to waterway
    • Durable cast brass construction
    • Includes vacuum breaker and control stop
    • This product can help a building earn Water Efficiency points in the LEED Green Building Rating System
    • Complies with the guidelines of the Americans with Disabilities Act (ADA)
    • Locking stop cap and non-hold open design provide protection against vandalism
    • Intended for toilet installations with 1-1/2" spud coupling connection
    • Fixture-mount design


    • Flush Type: Manual
    • Spud Placement: Top
    • Configuration: Exposed
    • Dual Flush? No
    • Installation Type: Toilet
    • Material: Brass
    • Water Efficient? Yes


    Dimensions and Measurements

    • Gallons Per Flush: 1.28
    • Height: 15.625 in.
    • Product Weight: 6 lbs.
    • Spud Size: 1.5 in.


    • Non-hold open piston technology for accurate activation.


    • Intended for toilet installations with 1-1/2" spud coupling connection.

    Optional Accessories

    • GP1118986 Flushometer Extension Kit
    • K-10313 12" Supply Line Sleeve
    • K-13716 24" Tailpiece


    • ASME A112.18.1/CSA B125.1
    • CSA B64
    • CSA B125.3
    • ASSE 1037
    • ICC/ANSI A117.1
    • CSA B651
    • OBC
    • All applicable US Federal and State material regulations


    Warranty and Product Information

    • One-Year Limited Warranty
    • ADA? Yes
    • Approved for Commercial Use? Yes
    • CA Drought Compliant? Yes
    • WaterSense Certified? Yes


    Available Color/Finishes

    • Polished Chrome

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