AIRCON solenoid? Help ID thiese parts please

On my AC S1 on the rollover hoop next to the vacuum reservoir are mounted these two. Are they pressure sensors? they have electrical connections and only one pipe connection (rather than 2 which the solenoids have). Only one had a pipe connected and I can’t work out if / how the other one is connected.
Any ideas anyone?





(No, I don’t want to remove the AC!)

Standby! Struggling to post the photo!

Hopefully now attached.
small ac1.JPG

Top one with the pipe is the MAP sensor. Bottom one is a BARO sensor. Nothing to do with the AC, that’s all at the front.

Great, thanks for that.