SOLIS Dual Flush Flushometer 1.1 GPF or 1.6 GPF for Closet HY108AMBPM also called a 'Drop-In Kit'

also called a 'Drop-In Kit' is designed for old-style Royal closet flushometers made pre 1964

This includes Optima Plus flush valves made mid-2003 and earlier

and another one comes with the purchase of a solenoid

This kit also includes a hex key/spray removal tool

SOLIS Dual Flush Flushometer 1.1 GPF or 1.6 GPF for Closet HY108AMBPM also called a 'Drop-In Kit'Part Number: #84998 Sloan Model Number: SOLIS 8111 1. 6 1. 1 Sloan Code Number: 3370000 Manufacturer: Sloan 1. 6 1. 1 GPF, Polished Chrome Finish, Fixture Connection Top Spud, Dual Flush, Solar, SOLIS Exposed Sensor Water Closet Flushometer. Specifications: Flush Volume: 1. 6 1. 1 GPF Finish: Polished Chrome Power Type: Solar Battery Life: 6 years Valve: Diaphragm Valve Body Material: Semi red Brass Fixture Type: Water Closet Fixture Connection: Top