My ac has been working wonderfully after a bit of RnR including a new drier and low pressure switch, temp switch, r4 compressor, expansion valve.

Anyway, today ac started blowing warm all of the sudden after being on for around 15 minutes of light highway driving. I turned it off and waited until I got home. After some troubleshooting and checking pressure (low side was like 25 high side around 230-250 maybe) I ran across a theory that my low pressure switch could be bad and had allowed the compressor to stay on too long, causing the expansion valve to freeze. When I drove car for another errand about 45 min later the ac was blowing cool again.

Does this seem like that kind of low pressure cuttoff problem? I haven’t checked if MV even makes one but perhaps these new switches are of suspect quality.