Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
I want to replace my kitchen faucet. Where should I remove it?
At the top (the green arrow) or the bottom (the red arrow)?
I recommend BOTH. You need to disconnect at the top (green arrow) to remove the existing faucet, but while you are at it you should disconnect those flex supply lines and replace them with high quality braided stainless steel flex lines.
Required, but never shown