Adapter: 9/16
Adapter: 9/16Adapter: 9/16Adapter: 9/16

Free to AquaPurr customers for initial installation

Adapter connects the 9/16"-24 female threads of your faucet to 55/64"-27 female threads of the diverter valve.

This is a rarely used size. If you used one of the colorful plastic keys to remove your aerator then use the instructions to determine which metric sized adapter you need.