1.28 GPF Closet 1 In Stop 1 1/2 In Top Spud Sensor Piston Oper. Battery Series HB Exp. Flush Valve Sensor Activated SKU: 192222 Mfr Part No: HB8-128 $475.53 Log in for preferred pricing Quantity discounts available QuantityPrice This item must be ordered in. Lead times vary. Details Parts Breakdown - Spec Sheet Mfr Model Number HB8000 Manufacturer Hydrotek DetailsMfr Model NumberManufacturerBackParts Breakdown - Spec Sheet1.28 GPF, Closet, 1 Inch Stop and 1 1/2 Inch Top Spud, Solid Brass Construction, Front Sensor, Piston Operated, Battery Powered Series HB 8000 Exposed Flush Valve, Chrome Plated ADABackHB8000BackHydrotekSee MoreSee Less Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review