bidet installation

Hi there, Recently bought a bidet that comes with a hot water connection, but neither the 3/8 or 1/2 T-Adapter for the bidet is compatible with the sink's hot water valve. I thought the valve was 7/16, but I bought a 7/16 Female x 1/2 MIP Reducing Adapter and it doesn't fit, either. I've been...

Hi, I am trying to install a bidet in my restroom, but got stuck when i was trying to connect the warm water pipe. Here the 3rd picture is the three-way connection that comes with the bidet, i am trying to unplug the existing pipe as shown in the 1st picture. but i am not sure it is even...