[ https://www.amazon.com/dp/B000NIDAAQ?tag=dmflip-20&linkCode=ogi&th=1&psc=1 ]
Sloan Optima EBV-146-A-C Water Closet Metal Cover Control Module Kit | For use with older Optima Plus and Regal Pro Plus Flushometers | OEM Sloan Parts, 325176
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